US1754735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion engine
Assignee: Worthington Pump and Machinery Corp
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Filing: 1929-07-27
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Granted: 1930-04-15
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Expires: 1949-07-27
Abstract
No abstract record available.
Inventors
- 👤 James C Barnaby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:01
CPC Classifications
F; F02; F02B; F02B23/00; F02B23/02; F02B23/06; F02B23/0675; F02B19/00; F02B19/08; F02B19/14; F02B23/0618; F02B23/0624; F02B23/0627; F02B23/063; F02B2275/00; F02B2275/14; F02B3/00; F02B3/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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) | 1933-04-14 | 1933-10-14 | 1934-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-04-14 | 1937-10-14 | 1938-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-04-14 | 1941-10-14 | 1942-04-15 | $7700.00 | Window Closed / Lapsed |