Patent US2633110A successfully refreshed from Google Patents.
US2633110A
Expired / Lapsed
US
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Internal-combustion engine
Assignee: Individual
•
Filing: 1947-06-09
•
Granted: 1953-03-31
•
Expires: 1967-06-09
Abstract
No abstract record available.
Inventors
- 👤 Zoroaster G Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:34
CPC Classifications
F; F01; F01L; F01L11/00; F01L11/02; F02; F02B; F02B69/00; F02B69/06; F02B75/00; F02B75/28; F02B75/30; F02B75/02; F02B2075/022; F02B2075/025; F02B2075/027
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |