US1947935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Bovaird and Co
•
Filing: 1932-10-13
•
Granted: 1934-02-20
•
Expires: 1952-10-13
Abstract
No abstract record available.
Inventors
- 👤 Jesse G Gibson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:30
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/16; F16K15/1401; F16K15/1402; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7559; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7887
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) | 1937-02-19 | 1937-08-21 | 1938-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-02-19 | 1941-08-21 | 1942-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-02-19 | 1945-08-21 | 1946-02-20 | $7700.00 | Window Closed / Lapsed |