Patent US2534520A successfully refreshed from Google Patents.
US2534520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic fuel pump
Assignee: Individual
•
Filing: 1945-04-14
•
Granted: 1950-12-19
•
Expires: 1965-04-14
Abstract
No abstract record available.
Inventors
- 👤 Katcher Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:35
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/0666; F02; F02B; F02B1/00; F02M; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/438; F02M2700/4388; Y; Y10; Y10S; Y10S310/00; Y10S310/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US591395A
Cited
US1307210A
Cited
US1233569A
Cited
GB192618A
Cited
US2033577A
Cited
US2059830A
Cited
US2319934A
Cited
US2366562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |