Patent US3693596A successfully refreshed from Google Patents.
US3693596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dog leash retriever
Assignee: Individual
•
Filing: 1971-06-01
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Granted: 1972-09-26
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Expires: 1991-06-01
Abstract
Abstract A reel type spring wound extendible animal leash controlled by cam and gears under manual setting of a select lever to have four different positions: locked leash; free movement of leash; leash restrained to be payed but not to be wound up; and leash restrained to be wound up but not unwound.
Inventors
- 👤 Joseph Croce
- 👤 Kurt Bayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:44
CPC Classifications
A; A01; A01K; A01K27/00; A01K27/003; A01K27/004
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
104 words
A device having an extendible animal leash comprising: a shaft; a reel having a peripheral groove, the shaft extending through the center of the reel as an axis of rotation, said leash passing through the shaft and wound about the groove; upper and lower pawls disposed about the shaft, each pawl being pivotable about a corresponding end and having oppositely directed engaging means; means interconnecting the other ends of the pawls; a compound ratchet disposed around the shaft and disposed between the pawls; a compound cam disposed adjacent the gear between the pawls; and a select lever manually controlling the position of the cam.
Claim 2
Independent Claim
104 words
A device having an extendible animal leash comprising: a shaft; a reel having a peripheral groove, the shaft extending through the center of the reel as an axis of rotation, said leash passing through the shaft and wound about the groove; upper and lower pawls disposed about the shaft, each pawl being pivotable about a corresponding end and having oppositely directed engaging means; means interconnecting the other ends of the pawls; a compound ratchet disposed around the shaft and disposed between the pawls; a compound cam disposed adjacent the gear between the pawls; and a select lever manually controlling the position of the cam.
Claim 3
Dependent Claim
15 words
A device as set forth in claim 1 wherein said means is a coil spring.
Claim 4
Dependent Claim
14 words
A device as set forth in claim 1 wherein said ratchet has two levels.
Claim 5
Dependent Claim
14 words
A device as set forth in claim 3 wherein said cam has two levels.
Claim 6
Dependent Claim
20 words
A device as set forth in claim 4 wherein said reel and shaft are interconnected by a flat coil spring.
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) | 1975-09-26 | 1976-03-27 | 1976-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-26 | 1980-03-27 | 1980-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-26 | 1984-03-27 | 1984-09-26 | $7700.00 | Window Closed / Lapsed |