US3611511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-release fastening device
Assignee: United States Department of the Navy
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Filing: 1970-02-25
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Granted: 1971-10-12
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Expires: 1990-02-25
Abstract
Abstract A PAIR OF STRAPS ARE DETACHABLY CONNECTED BY A BUCKLE, THE LATTER BEING MADE UP OF TWO SLOTTED PLATES RESPECTIVELY CARRIED ON THE STRAP ENDS. ONE PLATE IS OF GREATER WIDTH THAN THE SLOT IN THE OTHER PLATE, SO THAT THE FORMER CAN ONLY BE INSERTED IN OR REMOVED FROM THE LATTER WHEN THE TWO PLATES ARE POSITIONED IN ANGULAR RELATIONSHIP TO ONE ANOTHER. A SAFETY FLAP MAINTAINS THE DESIRED PARALLEL INTERLOCKING CONDITION DURING PERIODS OF STRAP CONNECTION.
Inventors
- 👤 Richard W Grabenkort
- 👤 James N Karas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:16
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/22; B64D17/30; B64D17/32; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/51; Y10S24/52; Y10T; Y10T24/00; Y10T24/45; Y10T24/45005; Y10T24/45079; Y10T24/45084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-11 | 1975-04-12 | 1975-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-11 | 1979-04-12 | 1979-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-11 | 1983-04-12 | 1983-10-12 | $7700.00 | Window Closed / Lapsed |