US2280930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumping equipment
Assignee: Individual
•
Filing: 1940-03-22
•
Granted: 1942-04-28
•
Expires: 1960-03-22
Abstract
No abstract record available.
Inventors
- 👤 William H Reeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:12
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/12; F04D13/14; F04D15/00; F04D15/02; F04D15/0209; F04D15/0218; F04D29/00; F04D29/70; F04D29/708
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) | 1945-04-27 | 1945-10-27 | 1946-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-04-27 | 1949-10-27 | 1950-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-04-27 | 1953-10-27 | 1954-04-28 | $7700.00 | Window Closed / Lapsed |