Patent US2633110A successfully refreshed from Google Patents.
US2633110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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 19:50
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US561374A
Cited
US1313634A
Cited
US1517372A
Cited
US991063A
Cited
US962437A
Cited
GB190913747A
Cited
US1044096A
Cited
US1134684A
Cited
US1208933A
Cited
US1225401A
Cited
US1436976A
Cited
US1399900A
Cited
US1691319A
Cited
GB211995A
Cited
US1708283A
Cited
GB256648A
Cited
US1687547A
Cited
US1743908A
Cited
DE522098C
Cited
US1812862A
Cited
US1871820A
Cited
US2033350A
Cited
US2178152A
Cited
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 |