US2376565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injector valve
Assignee: EVERETT R BREWER
•
Filing: 1942-03-27
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Granted: 1945-05-22
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Expires: 1962-03-27
Abstract
No abstract record available.
Inventors
- 👤 Williams Absalom Dwight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:31
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/04; E03C1/046; A; A61; A61L; A61L2/00; A61L2/26; C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87587; Y10T137/87595; Y10T137/87619; Y10T137/87627; Y10T137/87676
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-05-21 | 1948-11-20 | 1949-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-21 | 1952-11-20 | 1953-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-21 | 1956-11-20 | 1957-05-22 | $7700.00 | Window Closed / Lapsed |