US3335472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap hook
Assignee: Individual
•
Filing: 1966-03-25
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Granted: 1967-08-15
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Expires: 1986-03-25
Abstract
No abstract record available.
Inventors
- 👤 Imai Shigemi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:42
CPC Classifications
A; A01; A01K; A01K91/00; A01K91/03; A01K91/04; F; F16; F16B; F16B45/00; F16B45/005; F16B45/012; F16B45/02; F16B45/036; Y; Y10; Y10S; Y10S24/00; Y10S24/908
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A SNAP HOOK COMPRISING: A SINGLE LENGTH OF RESILIENT WIRE FORMED INTO A ROUNDED EYE MEANS AND THEN CONTINUING FORWARDLY INTO A PAIR OF EXTENSION PORTIONS; ONE OF SAID EXTENSION PORTIONS BEING GENERALLY U-SHAPED AND TERMINATING IN A HOOK END; THE OTHER OF SAID EXTENSION PORTIONS BEING GENERALLY L-SHAPED AND HENCE INCLUDING A CORNER; THE END OF SAID L-SHAPED PORTION BEING JOINED TO SAID U-SHAPED PORTION; SAID HOOK END BEING RELEASABLY ENGAGEABLE IN SAID CORNER AND BEING RETAINED THEREIN BY THE RESILIENCE OF SAID WIRE, THEREBY MAINTAINING SAID SNAP HOOK IN CLOSED POSITION; SAID HOOK END BEING RELEASABLE FROM SAID CORNER BY MANUAL SQUEEZING OF SAID U-SHAPED PORTION TO THEREBY OPEN SAID SNAP HOOK.
Claim 2
Dependent Claim
114 words
A SNAP HOOK COMPRISING: A SINGLE LENGTH OF RESILIENT WIRE FORMED INTO A ROUNDED EYE MEANS AND THEN CONTINUING FORWARDLY INTO A PAIR OF EXTENSION PORTIONS; ONE OF SAID EXTENSION PORTIONS BEING GENERALLY U-SHAPED AND TERMINATING IN A HOOK END; THE OTHER OF SAID EXTENSION PORTIONS BEING GENERALLY L-SHAPED AND HENCE INCLUDING A CORNER; THE END OF SAID L-SHAPED PORTION BEING JOINED TO SAID U-SHAPED PORTION; SAID HOOK END BEING RELEASABLY ENGAGEABLE IN SAID CORNER AND BEING RETAINED THEREIN BY THE RESILIENCE OF SAID WIRE, THEREBY MAINTAINING SAID SNAP HOOK IN CLOSED POSITION; SAID HOOK END BEING RELEASABLE FROM SAID CORNER BY MANUAL SQUEEZING OF SAID U-SHAPED PORTION TO THEREBY OPEN SAID SNAP HOOK.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |