US4139007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for contraception
Assignee: Individual
•
Filing: 1976-09-20
•
Granted: 1979-02-13
•
Expires: 1996-09-20
Abstract
Abstract A method of male contraception utilizing external pressure applied to the underside of the penis at the base thereof to close the urethral canal and thereby prevent the escape of semen. Apparatus comprises a pressure pad which applies a concentrated force on the canal and is held in place by a strap member around the penis.
Inventors
- 👤 Harvey Diamond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:40
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/0004; A61F2/0031; A61F2/0054; A61F6/00; A61F6/02; Y; Y10; Y10S; Y10S128/00; Y10S128/25
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
114 words
A male contraceptive appliance which comprises: a stiff pressure pad for applying pressure to a male urethra said pad being shaped to concentrate pressure on said urethra; and a strap for bearing on the top of the penis and for holding said pressure pad against the underside of said penis whereby said urethra will be closed during coitus, said strap not applying pressure to the sides of the penis, and the area of said strap being such as to apply substantially less unit pressure to the top of said penis with respect to the pressure being applied in the region of said urethra, said pressure pad and said strap being a single molded piece.
Claim 2
Dependent Claim
114 words
A male contraceptive appliance which comprises: a stiff pressure pad for applying pressure to a male urethra said pad being shaped to concentrate pressure on said urethra; and a strap for bearing on the top of the penis and for holding said pressure pad against the underside of said penis whereby said urethra will be closed during coitus, said strap not applying pressure to the sides of the penis, and the area of said strap being such as to apply substantially less unit pressure to the top of said penis with respect to the pressure being applied in the region of said urethra, said pressure pad and said strap being a single molded piece.
Claim 3
Independent Claim
95 words
A method of male contraception which comprises encircling the base of the penis during coitus with a single piece deformable noncircular ring like appliance, said appliance being deformable to position on an erect penis, whereby the urethral canal is compressively closed, concentrated pressure being applied in the region of the urethra but pressure in regions away from the urethra being substantially less than the pressure in the region of the urethra, and the cross section of the penis being less than the opening in said appliance whereby the penis does not completely fill said opening.
Claim 4
Independent Claim
95 words
A method of male contraception which comprises encircling the base of the penis during coitus with a single piece deformable noncircular ring like appliance, said appliance being deformable to position on an erect penis, whereby the urethral canal is compressively closed, concentrated pressure being applied in the region of the urethra but pressure in regions away from the urethra being substantially less than the pressure in the region of the urethra, and the cross section of the penis being less than the opening in said appliance whereby the penis does not completely fill said opening.
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) | 1982-02-12 | 1982-08-14 | 1983-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-12 | 1986-08-14 | 1987-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-12 | 1990-08-14 | 1991-02-13 | $7700.00 | Window Closed / Lapsed |