US2176163A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for finishing circular objects
Assignee: AUTOMOTIVE MAINTENANCE MACH CO
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Filing: 1936-01-04
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Granted: 1939-10-17
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Expires: 1956-01-04
Abstract
No abstract record available.
Inventors
- 👤 Herman W Zimmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:39
CPC Classifications
B; B24; B24D; B24D9/00; B24D9/04; B24B; B24B55/00; B24B55/06; Y; Y10; Y10S; Y10S29/00; Y10S29/064; Y10S29/079; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5109; Y10T29/511
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) | 1942-10-16 | 1943-04-17 | 1943-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-10-16 | 1947-04-17 | 1947-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-10-16 | 1951-04-17 | 1951-10-17 | $7700.00 | Window Closed / Lapsed |