US2093692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Individual
•
Filing: 1933-10-12
•
Granted: 1937-09-21
•
Expires: 1953-10-12
Abstract
No abstract record available.
Inventors
- 👤 Lee G Daniels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:05
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/42; F; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/16; F16K11/163; F16K11/165; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87265; Y10T137/87338; Y10T137/87346; Y10T137/87362; Y10T137/8737; Y10T137/877; Y10T137/87708; Y10T137/87748; Y10T137/87756; Y10T137/87829; Y10T137/87837; Y10T137/87853; Y10T137/87917; Y10T137/88062
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) | 1940-09-20 | 1941-03-22 | 1941-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-09-20 | 1945-03-22 | 1945-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-09-20 | 1949-03-22 | 1949-09-21 | $7700.00 | Window Closed / Lapsed |