Patent US2918975A successfully refreshed from Google Patents.
US2918975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for pumping liquids
Assignee: FE Myers and Bro Co
•
Filing: 1958-01-22
•
Granted: 1959-12-29
•
Expires: 1978-01-22
Abstract
No abstract record available.
Inventors
- 👤 William J Conery
- 👤 Philip C Masters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:35
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/08; A; A62; A62C; A62C27/00; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6899
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US183188A
Cited
US1242015A
Cited
US1357364A
Cited
US2201190A
Cited
US2643615A
Cited
US2694455A
Cited
US2632394A
Cited
US2651998A
Cited
US2815180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |