US1713889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Individual
•
Filing: 1927-07-23
•
Granted: 1929-05-21
•
Expires: 1947-07-23
Abstract
No abstract record available.
Inventors
- 👤 Criswell Walter Hudson
- 👤 Bond Leslie William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:12
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/20; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/8593; Y10T137/87917; Y10T137/88046; Y10T137/88054
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) | 1932-05-20 | 1932-11-19 | 1933-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-05-20 | 1936-11-19 | 1937-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-05-20 | 1940-11-19 | 1941-05-21 | $7700.00 | Window Closed / Lapsed |