US2679039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bolt action operated alarm system and switches therefor
Assignee: Individual
•
Filing: 1950-11-13
•
Granted: 1954-05-18
•
Expires: 1970-11-13
Abstract
No abstract record available.
Inventors
- 👤 Koppl Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:08
CPC Classifications
E; E05; E05B; E05B45/00; E05B45/06; E05B45/08; E05B45/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US429817A
Cited
US528589A
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US2103363A
Cited
US742073A
Cited
US1169649A
Cited
US1170032A
Cited
US1674570A
Cited
US2286463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |