US2976901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bolt carried tilting locking bar
Assignee: Scovill Inc
•
Filing: 1958-01-02
•
Granted: 1961-03-28
•
Expires: 1978-01-02
Abstract
No abstract record available.
Inventors
- 👤 Heyworth Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:24
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/02; F16B5/0208; F16B39/00; F16B39/02; F16B39/10; F16B39/22; F16B39/28; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/95; Y10S411/951
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US221827A
Cited
US570368A
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GB113786A
Cited
US1927780A
Cited
FR973719A
Cited
US2380240A
Cited
US2438313A
Cited
US2640244A
Cited
US2767950A
Cited
US2758625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |