US2544561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection pump
Assignee: Ambac International Corp
•
Filing: 1945-06-11
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Granted: 1951-03-06
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Expires: 1965-06-11
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang E Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:32
CPC Classifications
F; F02; F02M; F02M41/00; F02M41/08; F02M41/10; F02M41/12; F02M59/00; F02M59/20; F02M59/24; F02M59/26; F02M2700/00; F02M2700/13; F02M2700/1317; F02M2700/1388; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86115; Y10T137/86123; Y10T74/00; Y10T74/19; Y10T74/19614; Y10T74/19642; Y10T74/1966; Y10T74/19665
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |