US2628476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic starting system for internal-combustion engines
Assignee: Individual
•
Filing: 1949-11-10
•
Granted: 1953-02-17
•
Expires: 1969-11-10
Abstract
No abstract record available.
Inventors
- 👤 Ross E Grier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:48
CPC Classifications
F; F02; F02N; F02N7/00; F02N7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1263180A
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US1616841A
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US2239481A
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US2217783A
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US2276016A
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US2316394A
Cited
US2492014A
Cited
US2467067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |