Patent US2641188A successfully refreshed from Google Patents.
US2641188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating electromagnetic pump
Assignee: Bendix Aviation Corp
•
Filing: 1951-08-23
•
Granted: 1953-06-09
•
Expires: 1971-08-23
Abstract
No abstract record available.
Inventors
- 👤 Aumick K Donald
- 👤 John W Dickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:34
CPC Classifications
H; H02; H02K; H02K33/00; H02K33/02; H02K33/10; F; F04; F04B; F04B17/00; F04B17/03; F04B17/04; F04B17/046
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2472067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |