Patent JPS63192693A successfully refreshed from Google Patents.
US4768238A
Expired / Lapsed
US
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Bifurcated saliva collector
Assignee: INTERSTATE DRUG EXCHANGE
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Filing: 1987-05-04
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Granted: 1988-09-06
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Expires: 2007-05-04
Abstract
Abstract This patent relates to a bifurcated vessel for the collection of saliva comprising: (a) a receptacle open at one end and divided into two chambers for holding liquid; (b) an open edge portion angularly disposed integral with one of said chambers to constitute a flared funnel to said chamber; and (c) a second open edge portion angularly disposed to and integral with the other of said two chambers to constitute a flared funnel.
Inventors
- 👤 Israel Kleinberg
- 👤 Leo M. Sreebny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:51
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/0045; A61B10/0051
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
101 words
A bifurcated vessel for the collection of saliva and used to measure different types of saliva flow comprising: (a) a receptacle open at one end and divided into two chambers for holding liquid; (b) an open edge portion angularly disposed integral with one of said chambers to constitute a flared funnel to said chamber; (c) a second open edge portion angularly disposed to and integral with the other of said two chambers to constitute a flared funnel; and (d) a divider between the two chambers, the upper end of said divider extending to or above the upper edge of the receptacle.
Claim 2
Dependent Claim
101 words
A bifurcated vessel for the collection of saliva and used to measure different types of saliva flow comprising: (a) a receptacle open at one end and divided into two chambers for holding liquid; (b) an open edge portion angularly disposed integral with one of said chambers to constitute a flared funnel to said chamber; (c) a second open edge portion angularly disposed to and integral with the other of said two chambers to constitute a flared funnel; and (d) a divider between the two chambers, the upper end of said divider extending to or above the upper edge of the receptacle.
Claim 3
Dependent Claim
14 words
The vessel of claim 1, wherein said vessel is vertical and includes base means.
Claim 4
Dependent Claim
26 words
The vessel of claim 2, wherein said base is in the form of a flanged circular shape, which closes off the other end of the vessel.
Claim 5
Dependent Claim
10 words
The vessel of claim 1, wherein the chambers are parallel.
Claim 6
Dependent Claim
12 words
The vessel of claim 1, wherein the chambers are unequal in size.
Claim 7
Dependent Claim
19 words
The vessel of claim 1, wherein the cross-section of each parallel chamber is in the shape of a half-circle.
Claim 8
Dependent Claim
19 words
The vessel of claim 1, wherein the angular disposition of the edge portions for the two chambers is different.
Claim 9
Dependent Claim
16 words
The vessel of claim 1, wherein each of the two chambers is individually calibrated for volume.
Claim 10
Dependent Claim
25 words
The vessel of claim 1, wherein the closed end portions of the two chambers is smaller in cross-section than the remainder of the two portions.
Claim 11
Dependent Claim
17 words
The vessel of claim 5, wherein one chamber is approximately four times larger than the other chamber.
Claim 12
Dependent Claim
14 words
The vessel of claim 1, wherein the divider is reinforced near the bottom thereof.
Claim 13
Dependent Claim
109 words
A bifurcated vessel for the collection of saliva and used to measure different types of saliva flow comprising: (a) a receptacle open at one end and divided into two chambers for holding liquid; (b) an open edge portion angularly disposed integral with one of said chambers to constitute a flared funnel to said chamber; (c) a second open edge portion angularly disposed to and integral with the other of said two chambers to constitute a flared funnel; and (d) said vessel being vertical and including base means, wherein said base means is in the form of a flanged circular shape, which closes off the other end of the vessel.
Claim 14
Dependent Claim
109 words
A bifurcated vessel for the collection of saliva and used to measure different types of saliva flow comprising: (a) a receptacle open at one end and divided into two chambers for holding liquid; (b) an open edge portion angularly disposed integral with one of said chambers to constitute a flared funnel to said chamber; (c) a second open edge portion angularly disposed to and integral with the other of said two chambers to constitute a flared funnel; and (d) said vessel being vertical and including base means, wherein said base means is in the form of a flanged circular shape, which closes off the other end of the vessel.
Claim 15
Dependent Claim
90 words
A bifurcated vessel for the collection of saliva and used to measure different types of saliva flow comprising: (a) a receptacle open at one end and divided into two chambers for holding liquid; (b) an open edge portion angularly disposed integral with one of said chambers to constitute a flared funnel to said chamber; (c) a second open edge portion angularly disposed to and integral with the other of said two chambers to constitute a flared funnel; and (d) wherein each of the two chambers is individually calibrated for volume.
Claim 16
Dependent Claim
90 words
A bifurcated vessel for the collection of saliva and used to measure different types of saliva flow comprising: (a) a receptacle open at one end and divided into two chambers for holding liquid; (b) an open edge portion angularly disposed integral with one of said chambers to constitute a flared funnel to said chamber; (c) a second open edge portion angularly disposed to and integral with the other of said two chambers to constitute a flared funnel; and (d) wherein each of the two chambers is individually calibrated for volume.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-09-06 | 1992-03-07 | 1992-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-09-06 | 1996-03-07 | 1996-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-09-06 | 2000-03-07 | 2000-09-06 | $7700.00 | Window Closed / Lapsed |