US2953841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray valves
Assignee: Individual
•
Filing: 1954-04-27
•
Granted: 1960-09-27
•
Expires: 1974-04-27
Abstract
No abstract record available.
Inventors
- 👤 Giles E Bullock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:48
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/10; F16K27/102; B; B23; B23K; B23K11/00; B23K11/002; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412; Y10T29/49416; Y10T29/49419; Y10T29/49421
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE306299C
Cited
FR361204A
Cited
AT48712B
Cited
US2208850A
Cited
US2335987A
Cited
FR832632A
Cited
US2285010A
Cited
US2462291A
Cited
US2425645A
Cited
US2528280A
Cited
US2436701A
Cited
US2710443A
Cited
GB703759A
Cited
US2736949A
Cited
GB767557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |