US2694148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire alarm system
Assignee: Honeywell Inc
•
Filing: 1949-12-27
•
Granted: 1954-11-09
•
Expires: 1969-12-27
Abstract
No abstract record available.
Inventors
- 👤 Hagen Jerry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:24
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1838084A
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US2041114A
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US2169977A
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US2355606A
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US2468138A
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US2505577A
Cited
US2584728A
Cited
US2567908A
Cited
US2566121A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |