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US2544144A
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US
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Oil burner pump
Assignee: Motors Liquidation Co
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Filing: 1947-05-07
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Granted: 1951-03-06
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Expires: 1967-05-07
Abstract
No abstract record available.
Inventors
- 👤 William P Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:01
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/10; F04C2/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE325849C
Cited
US1689587A
Cited
GB331054A
Cited
US2159720A
Cited
US2232983A
Cited
US2346398A
Cited
US2309683A
Cited
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 |