US2165386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and method of lapping the curved surface of gears and the like
Assignee: Unifrax I LLC
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Filing: 1934-07-11
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Granted: 1939-07-11
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Expires: 1954-07-11
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Klomp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:15
CPC Classifications
B; B23; B23F; B23F19/00; B23F19/05; B23F19/057; B23F19/02; B23F19/04; B23F21/00; Y; Y10; Y10T; Y10T29/00; Y10T29/47; Y10T29/477; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/105883; Y10T409/10636
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) | 1942-07-10 | 1943-01-09 | 1943-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-07-10 | 1947-01-09 | 1947-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-07-10 | 1951-01-09 | 1951-07-11 | $7700.00 | Window Closed / Lapsed |