US2909767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bank holdup deterrent systems
Assignee: Individual
•
Filing: 1956-02-14
•
Granted: 1959-10-20
•
Expires: 1976-02-14
Abstract
No abstract record available.
Inventors
- 👤 Zaltman Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:37
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/18; G08B13/181; G08B13/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190810591A
Cited
US1180246A
Cited
US1492345A
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US1685329A
Cited
US1946781A
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US2189112A
Cited
US2250834A
Cited
US2701874A
Cited
US2636163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |