US1662723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-controlling means
Assignee: Individual
•
Filing: 1927-03-07
•
Granted: 1928-03-13
•
Expires: 1947-03-07
Abstract
No abstract record available.
Inventors
- 👤 Chester L Snow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:52
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/04; F01P7/048; F01P7/14; F01P7/16; F01P7/164
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) | 1931-03-13 | 1931-09-12 | 1932-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-03-13 | 1935-09-12 | 1936-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-03-13 | 1939-09-12 | 1940-03-13 | $7700.00 | Window Closed / Lapsed |