US2715908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire extinguisher discharge valve
Assignee: HUTHSING
•
Filing: 1950-08-19
•
Granted: 1955-08-23
•
Expires: 1970-08-19
Abstract
No abstract record available.
Inventors
- 👤 Charles K Huthsing
- 👤 John W Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:47
CPC Classifications
A; A62; A62C; A62C13/00; A62C13/003; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1692; Y10T137/1714
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1790705A
Cited
USRE20535E
Cited
US1506145A
Cited
US1649210A
Cited
FR739641A
Cited
US1910283A
Cited
US1950122A
Cited
US1966562A
Cited
US2144427A
Cited
US2500214A
Cited
US2506074A
Cited
US2454621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |