US1722389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of reclaiming worn piston pins
Assignee: M P MANUFACTURING Co
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Filing: 1927-10-19
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Granted: 1929-07-30
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Expires: 1947-10-19
Abstract
No abstract record available.
Inventors
- 👤 Opie Ernest John
- 👤 John S Goldsworthy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:45
CPC Classifications
B; B23; B23P; B23P6/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49249; Y10T29/4925; Y10T29/49266; Y10T29/49718; Y10T29/49748; Y10T29/4975; Y10T29/49826; Y10T29/49945
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) | 1932-07-29 | 1933-01-28 | 1933-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-07-29 | 1937-01-28 | 1937-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-07-29 | 1941-01-28 | 1941-07-30 | $7700.00 | Window Closed / Lapsed |