Patent US1415374A successfully refreshed from Google Patents.
US1415374A
Expired / Lapsed
US
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Internal-combustion engine
Assignee: Individual
•
Filing: 1916-06-08
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Granted: 1922-05-09
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Expires: 1936-06-08
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Lovejoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:02
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/02; F01L1/022; F01L3/00; F01L3/22; F02; F02B; F02B2275/00; F02B2275/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49231; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2153
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) | 1925-05-08 | 1925-11-07 | 1926-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-05-08 | 1929-11-07 | 1930-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-05-08 | 1933-11-07 | 1934-05-09 | $7700.00 | Window Closed / Lapsed |