US3510154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary cam fastener
Assignee: Farr Co
•
Filing: 1968-09-17
•
Granted: 1970-05-05
•
Expires: 1988-09-17
Abstract
No abstract record available.
Inventors
- 👤 Sander D Sheff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:40
CPC Classifications
F; F16; F16B; F16B1/00; B; B01; B01D; B01D46/00; F24; F24F; F24F13/00; F24F13/28; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44009; Y10T292/00; Y10T292/08; Y10T292/0886; Y10T292/0887; Y10T292/0891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1127558A
Cited
US1609164A
Cited
US1784224A
Cited
US2134314A
Cited
US2793786A
Cited
US3379460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |