Patent US1418875A successfully refreshed from Google Patents.
US1418875A
Expired / Lapsed
US
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Internal-combustion engine
Assignee: Individual
•
Filing: 1919-05-27
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Granted: 1922-06-06
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Expires: 1939-05-27
Abstract
No abstract record available.
Inventors
- 👤 Wesley E Laird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:38
CPC Classifications
F; F01; F01B; F01B13/00; F01B13/04; F01B13/045; F02; F02B; F02B59/00; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; F02B75/16; F02B75/18; F02B2075/1804; F02B2075/1808; F02B2075/1816
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1925-06-05 | 1925-12-05 | 1926-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-06-05 | 1929-12-05 | 1930-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-06-05 | 1933-12-05 | 1934-06-06 | $7700.00 | Window Closed / Lapsed |