Patent US3946805A successfully refreshed from Google Patents.
US2649752A
Expired / Lapsed
US
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Self-contained fire alarm and fire extinguisher
Assignee: Individual
•
Filing: 1952-01-10
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Granted: 1953-08-25
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Expires: 1972-01-10
Abstract
No abstract record available.
Inventors
- 👤 Paul J Showstack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:16
CPC Classifications
A; A62; A62C; A62C99/00; A62C99/009; G; G08; G08B; G08B17/00; G08B17/04; Y; Y10; Y10S; Y10S116/00; Y10S116/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1324784A
Cited
US856075A
Cited
US1019571A
Cited
US2410310A
Cited
US2506983A
Cited
US2483657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |