Patent US3091488A successfully refreshed from Google Patents.
US3091488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary latch
Assignee: Camloc Fastener Corp
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Filing: 1960-01-18
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Granted: 1963-05-28
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Expires: 1980-01-18
Abstract
No abstract record available.
Inventors
- 👤 Sande John L Vander
- 👤 Beehner Benjamin Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:01
CPC Classifications
A; A45; A45C; A45C13/00; A45C13/10; A45C13/12; A45C13/126; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0951; Y10T292/0953; Y10T292/1039; Y10T292/1041
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
151 words
A ROTARY LATCH FASTENER FOR SECURING TWO MEMBERS TOGETHER AND COMPRISING A KNOB PIVOTALLY MOUNTED ON ONE OF THE MEMBERS, A CAM PLATE SECURED ON THE BACK OF THE KNOB AND HAVING A CAM SLOT EXTENDING INWARDLY FROM ONE EDGE THEREOF AND FORMED WITH A LOWER EDGE AND A SUBSTANTIALLY STRAIGHT UPPER CAM EDGE, THE BACK OF THE KNOB HAVING A RECESS UNDERLYING SAID SLOT, THE UPPER AND LOWER EDGES OF THE SLOT EXTENDING BEYOND AND OVERHANGING THE WALLS OF THE RECESS TO ALLOW SAID EDGES TO ENGAGE THE HEAD OF A KEEPER PIN HAVING A SHANK CARRIED BY THE SECOND MEMBER, SAID EDGE EXTENDING INWARDLY BEYOND THE CENTRAL MEDIAN LINE AND BEING SUBSTANTIALLY PERPENDICU-AR LAR TO SAID MEDIAN LINE WHEN THE AXIS OF THE PIN PASSES BEYOND SAID LINE SO THAT A SELF-LOCKING ACTION IS EFFECTED WHEN THE SHANK OF THE HEADED PIN REACHES THE INNER END OF THE SLOT.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |