Patent US5514120A successfully refreshed from Google Patents.
US2952219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pump or motor
Assignee: Individual
•
Filing: 1959-04-08
•
Granted: 1960-09-13
•
Expires: 1979-04-08
Abstract
No abstract record available.
Inventors
- 👤 Woydt Eduard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:02
CPC Classifications
F; F01; F01B; F01B1/00; F01B1/06; F01B1/0641; F01B1/0668; F01B1/062; F01B1/0624; F01B1/0655
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1149728A
Cited
US1227164A
Cited
GB357139A
Cited
US2006879A
Cited
DE862093C
Cited
GB627329A
Cited
US2642748A
Cited
US2657634A
Cited
US2689532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |