Patent US1651598A successfully refreshed from Google Patents.
US1651598A
Expired / Lapsed
US
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Ring-grooving machine
Assignee: Burd High Compression Ring Co
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Filing: 1925-03-21
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Granted: 1927-12-06
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Expires: 1945-03-21
Abstract
No abstract record available.
Inventors
- 👤 George H Higgins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:13
CPC Classifications
B; B23; B23B; B23B5/00; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1037; Y10T279/1041; Y10T279/1045; Y10T279/1054; Y10T82/00; Y10T82/25; Y10T82/26
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) | 1930-12-05 | 1931-06-06 | 1931-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-12-05 | 1935-06-06 | 1935-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-12-05 | 1939-06-06 | 1939-12-06 | $7700.00 | Window Closed / Lapsed |