Patent US2764134A successfully refreshed from Google Patents.
US2764134A
Expired / Lapsed
US
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Unitary internal combustion engine
Assignee: Individual
•
Filing: 1954-02-12
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Granted: 1956-09-25
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Expires: 1974-02-12
Abstract
No abstract record available.
Inventors
- 👤 Vincent J Crimi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:53
CPC Classifications
F; F16; F16C; F16C7/00; F16C7/04; F02; F02B; F02B75/00; F02B75/32; F02D; F02D11/00; F16J; F16J1/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US981331A
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US1018093A
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US1572523A
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US1964796A
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US2186259A
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US2338244A
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US2424868A
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US2536854A
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US2627329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |