US2934615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination lock switch
Assignee: Individual
•
Filing: 1956-03-21
•
Granted: 1960-04-26
•
Expires: 1976-03-21
Abstract
No abstract record available.
Inventors
- 👤 Goral Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:07
CPC Classifications
H; H01; H01H; H01H27/00; H01H27/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1444083A
Cited
US1118024A
Cited
GB152155A
Cited
US1555151A
Cited
US1673607A
Cited
US1709775A
Cited
US2797271A
Cited
US2844671A
Cited
US2831129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |