US1264032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary pump.
Assignee: Individual
•
Filing: 1917-01-17
•
Granted: 1918-04-23
•
Expires: 1937-01-17
Abstract
No abstract record available.
Inventors
- 👤 William S Easton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:04
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/08; F01C1/12; F01C1/14; F01C1/20; F04; F04C; F04C2/00; F04C2/30; F04C2/36
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) | 1921-04-22 | 1921-10-22 | 1922-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-04-22 | 1925-10-22 | 1926-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-04-22 | 1929-10-22 | 1930-04-23 | $7700.00 | Window Closed / Lapsed |