Patent US565386A successfully refreshed from Google Patents.
Patent US4598698A successfully refreshed from Google Patents.
US4598698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diagnostic device
Assignee: Warner Lambert Technologies Inc
•
Filing: 1985-01-17
•
Granted: 1986-07-08
•
Expires: 2005-01-17
Abstract
Abstract A diagnostic endoscope useful to make remote examinations and retrievals having a pistol grip which includes a built-in flexible pneumatic bulb.
Inventors
- 👤 Walter P. Siegmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:06
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
115 words
In an endoscope useful for examinations and retrievals in remote internal locations in medical or veterinary situations where the scope includes a pistol grip and a flexible pneumatic bulb, the improvement comprising: a cavity formed in the pistol grip for receiving and enclosing a top and bottom end of the bulb while leaving the middle of the bulb exposed, said cavity having a top portion and a bottom portion, said bulb top end defining a discharge end and said bottom defining an inlet end, the ends of said bulb being secured to complementary top and bottom portions of said cavity whereby the middle of the bulb is operable by the digits of a pistol-gripping hand.
Claim 2
Dependent Claim
115 words
In an endoscope useful for examinations and retrievals in remote internal locations in medical or veterinary situations where the scope includes a pistol grip and a flexible pneumatic bulb, the improvement comprising: a cavity formed in the pistol grip for receiving and enclosing a top and bottom end of the bulb while leaving the middle of the bulb exposed, said cavity having a top portion and a bottom portion, said bulb top end defining a discharge end and said bottom defining an inlet end, the ends of said bulb being secured to complementary top and bottom portions of said cavity whereby the middle of the bulb is operable by the digits of a pistol-gripping hand.
Claim 3
Dependent Claim
34 words
The improvement recited in claim 1 in which the cavity includes a substantially continuous concave surface and said portion of said bulb is in substantial areal contact with the concave surface of said cavity.
Claim 4
Dependent Claim
120 words
In an endoscope useful for examinations and retrievals in remote internal locations in medical or veterinary situations where the scope includes a pistol grip supporting a vacuum operating button and a flexible pneumatic bulb, the improvement comprising: a cavity formed in the pistol grip for receiving and enclosing a portion of the bulb, said cavity having a top portion and a bottom portion, said bulb having a top defining a discharge end, a bottom defining an inlet end and a middle portion, the ends of said bulb being secured to complementary top and bottom portions of said cavity whereby said middle portion of said bulb and the vacuum operating button are both operable by the digits of a pistol-gripping hand.
Claim 5
Dependent Claim
120 words
In an endoscope useful for examinations and retrievals in remote internal locations in medical or veterinary situations where the scope includes a pistol grip supporting a vacuum operating button and a flexible pneumatic bulb, the improvement comprising: a cavity formed in the pistol grip for receiving and enclosing a portion of the bulb, said cavity having a top portion and a bottom portion, said bulb having a top defining a discharge end, a bottom defining an inlet end and a middle portion, the ends of said bulb being secured to complementary top and bottom portions of said cavity whereby said middle portion of said bulb and the vacuum operating button are both operable by the digits of a pistol-gripping hand.
References Cited (Backward Citations)
US2324898A
Cited
US2478715A
Cited
US3730645A
Cited
US3709214A
Cited
US4146019A
Cited
US4281646A
Cited
DE2922571A1
Cited
US4343300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-07-07 | 1990-01-06 | 1990-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-07 | 1994-01-06 | 1994-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-07 | 1998-01-06 | 1998-07-08 | $7700.00 | Window Closed / Lapsed |