Patent US3704704A successfully refreshed from Google Patents.
US3704704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Birth control valve
Assignee: Individual
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Filing: 1970-10-12
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Granted: 1972-12-05
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Expires: 1990-10-12
Abstract
Abstract In combination with a tube within a mammal which when opened is necessary to effect reproduction and when closed effects sterilization, a valve to be located within the tube which can be selectively opened and closed.
Inventors
- 👤 Ramon L Gonzales
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:58
CPC Classifications
A; A61; A61F; A61F6/00; A61F6/20; A61F6/22; A61F6/24
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
208 words
A birth control valve to be connected between first and second segments of a severed flesh tube, said valve comprising: a valve spool, said spool being constructed such that means are provided whereby alternate opening or closing of flow through said flesh tube can be accomplished; a first section removably connected by first attachment means to said valve spool, said first section including a first internal sleeve and a first cap, said first internal sleeve having a first elongated opening therethrough, said first internal sleeve having a first connection means which is adapted to be located within the first segment of the severed flesh tube whereby the tube opening communicates with said first elongated opening, said first cap surroundingly removably connected to said second internal sleeve; and a second section removably connected by a second attachment means to said valve spool, said second section including a second internal sleeve and a second cap, said second internal sleeve having a second elongated opening therethrough, said second internal sleeve having a second connection means which is adapted to be located within the second segment of the severed flesh tube whereby the tube opening communicates with said second elongated opening, said second cap surroundingly removably connected to said second internal sleeve.
Claim 2
Dependent Claim
208 words
A birth control valve to be connected between first and second segments of a severed flesh tube, said valve comprising: a valve spool, said spool being constructed such that means are provided whereby alternate opening or closing of flow through said flesh tube can be accomplished; a first section removably connected by first attachment means to said valve spool, said first section including a first internal sleeve and a first cap, said first internal sleeve having a first elongated opening therethrough, said first internal sleeve having a first connection means which is adapted to be located within the first segment of the severed flesh tube whereby the tube opening communicates with said first elongated opening, said first cap surroundingly removably connected to said second internal sleeve; and a second section removably connected by a second attachment means to said valve spool, said second section including a second internal sleeve and a second cap, said second internal sleeve having a second elongated opening therethrough, said second internal sleeve having a second connection means which is adapted to be located within the second segment of the severed flesh tube whereby the tube opening communicates with said second elongated opening, said second cap surroundingly removably connected to said second internal sleeve.
Claim 3
Dependent Claim
20 words
A birth control valve as defined in claim 1 wherein: said first section is substantially identical to said second section.
Claim 4
Dependent Claim
43 words
A birth control valve as defined in claim 2 wherein: each of said caps being movable with respect to its respective said internal sleeve between a retaining position and a non-retaining position, said retaining position providing the connection to the severed flesh tube.
Claim 5
Dependent Claim
27 words
A birth control valve as defined in claim 3 wherein: said cap being capable of being physically separated from said internal sleeve when in said non-retaining position.
Claim 6
Dependent Claim
38 words
A birth control valve as defined in claim 3 wherein: each of said first and said second internal sleeves includes an extension, each of said first and second connection means comprising an annular raised portion upon said extension.
Claim 7
Dependent Claim
47 words
A birth control valve as defined in claim 5 wherein: the forward end of each of said first and second caps having a resilient collar, with said cap in said retaining position said collar cooperating to bind said tube toward the front end of said raised portion.
Claim 8
Dependent Claim
32 words
A birth control valve as defined in claim 6 wherein: with a said cap in said retaining position a second area of binding occurs adjacent the aft end of said raised portion.
Claim 9
Dependent Claim
57 words
A birth control valve as defined in claim 1 wherein: said valve spool includes a rotatable element movable between an open position and a closed position, said open position permitting passage of matter from between said first and said second elongated openings, said closed position not permitting passage of matter between said first and second elongated openings.
Claim 10
Dependent Claim
24 words
A birth control valve as defined in claim 1 wherein: said first and said second attachment means each comprising an assembly of screw threads.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-05 | 1976-06-05 | 1976-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-05 | 1980-06-05 | 1980-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-05 | 1984-06-05 | 1984-12-05 | $7700.00 | Window Closed / Lapsed |