US2758296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alarm system or mechanism for safety boxes or the like
Assignee: Individual
•
Filing: 1953-01-19
•
Granted: 1956-08-07
•
Expires: 1973-01-19
Abstract
No abstract record available.
Inventors
- 👤 Fritz P Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:19
CPC Classifications
A; A45; A45C; A45C13/00; A45C13/18; A45C13/24; G; G08; G08B; G08B13/00; G08B13/02; G08B13/14; G08B13/1436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US215120A
Cited
US530975A
Cited
US548887A
Cited
US919385A
Cited
US2273440A
Cited
US2438076A
Cited
US2694803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |