US3529454A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination lock controlled electrical instrumentality
Assignee: Unican Security Systems Ltd
•
Filing: 1968-01-31
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Granted: 1970-09-22
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Expires: 1988-01-31
Abstract
No abstract record available.
Inventors
- 👤 Aaron M Fish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:23
CPC Classifications
G; G07; G07C; G07C9/00; G07C9/00174; G07C9/00658; G07C9/00674; G07C9/0069; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5531; Y10T70/70; Y10T70/7006; Y10T70/7028; Y10T70/7153; Y10T70/7316
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2855588A
Cited
US3128414A
Cited
US3192448A
Cited
US3242708A
Cited
US3296842A
Cited
US3353383A
Cited
US3298210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |