US1139650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for finishing the lateral edges of piston-rings.
Assignee: Individual
•
Filing: 1912-01-20
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Granted: 1915-05-18
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Expires: 1932-01-20
Abstract
No abstract record available.
Inventors
- 👤 David F Domizi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:56
CPC Classifications
B; B24; B24B; B24B37/00; B24B37/04; B24B37/07; B24B37/08; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T279/1008; Y10T279/1021; Y10T279/1033; Y10T279/1037; Y10T279/1041; Y10T279/1054; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5109; Y10T29/511; Y10T74/00; Y10T74/21; Y10T74/219; Y10T74/2191; Y10T82/00; Y10T82/25; Y10T82/2572; Y10T82/2574
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) | 1918-05-17 | 1918-11-16 | 1919-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-05-17 | 1922-11-16 | 1923-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-05-17 | 1926-11-16 | 1927-05-18 | $7700.00 | Window Closed / Lapsed |