US2415155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion engine
Assignee: Briggs Manufacturing Co
•
Filing: 1943-05-13
•
Granted: 1947-02-04
•
Expires: 1963-05-13
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Wyatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:23
CPC Classifications
F; F01; F01L; F01L7/00; F01L7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE358916C
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US887013A
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US968545A
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FR425858A
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US1292634A
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US1866873A
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US2072474A
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US2146528A
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US2125106A
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US2305874A
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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) | 1950-02-03 | 1950-08-05 | 1951-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-03 | 1954-08-05 | 1955-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-03 | 1958-08-05 | 1959-02-04 | $7700.00 | Window Closed / Lapsed |