US1737270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adjusting liner pump
Assignee: Individual
•
Filing: 1927-09-28
•
Granted: 1929-11-26
•
Expires: 1947-09-28
Abstract
No abstract record available.
Inventors
- 👤 Sumner B Sargent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:22
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/16; F04B53/162; F04B53/166; F05; F05C; F05C2201/00; F05C2201/04; F05C2201/0433; F05C2201/0436; F05C2201/0439
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) | 1932-11-25 | 1933-05-27 | 1933-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-11-25 | 1937-05-27 | 1937-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-11-25 | 1941-05-27 | 1941-11-26 | $7700.00 | Window Closed / Lapsed |