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US2648136A
Expired / Lapsed
US
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Piston ring fitting device
Assignee: Individual
•
Filing: 1950-11-29
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Granted: 1953-08-11
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Expires: 1970-11-29
Abstract
No abstract record available.
Inventors
- 👤 Harold T Lanigan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:18
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US953282A
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US1227105A
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US1385477A
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US1393261A
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CH170370A
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US2200181A
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US2454159A
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US2529292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |