US2645292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for extinguishing fires
Assignee: GAF Chemicals Corp
•
Filing: 1951-04-16
•
Granted: 1953-07-14
•
Expires: 1971-04-16
Abstract
No abstract record available.
Inventors
- 👤 Williams Evan Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:20
CPC Classifications
A; A62; A62C; A62C3/00; A62C3/02; A62C3/0207; A62C31/00; A62C31/02; A62C31/12; Y; Y10; Y10S; Y10S261/00; Y10S261/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US654132A
Cited
GB191307005A
Cited
US1457895A
Cited
US1916912A
Cited
US2043599A
Cited
US2210846A
Cited
US2164153A
Cited
US2375833A
Cited
US2478998A
Cited
US2492037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |