Patent US2559298A successfully refreshed from Google Patents.
US2605707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-driven fluid pump
Assignee: Individual
•
Filing: 1946-05-04
•
Granted: 1952-08-05
•
Expires: 1966-05-04
Abstract
No abstract record available.
Inventors
- 👤 Worlidge Ronald Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:29
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/053; F04B49/00; F04B49/12; F04B1/06; F04B49/007; F04B49/22; F04B49/24; F04B1/08; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/88054; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49236; Y10T29/49242
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1022556A
Cited
US1349005A
Cited
US1770297A
Cited
US1978480A
Cited
US1886393A
Cited
US1936935A
Cited
US1971601A
Cited
US2130299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |