US3392471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable trigger locks for firearms
Assignee: Master Lock Co LLC
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Filing: 1967-04-21
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Granted: 1968-07-16
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Expires: 1987-04-21
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Foote
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:40
CPC Classifications
F; F41; F41A; F41A17/00; F41A17/46; F41A17/54; F41A17/02; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/411; Y10T70/413; Y10T70/437; Y10T70/439; Y10T70/443; Y10T70/50; Y10T70/5611; Y10T70/569; Y10T70/573; Y10T70/5735; Y10T70/80; Y10T70/8838
Claims Analysis
Total Claims: 0
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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) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |