Patent US2129485A successfully refreshed from Google Patents.
US2129485A
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Boring machine
Assignee: AUTOMOTIVE MAINTENANCE MACH CO
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Filing: 1935-03-08
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Granted: 1938-09-06
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Expires: 1955-03-08
Abstract
No abstract record available.
Inventors
- 👤 Herman W Zimmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:32
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/02; Y; Y10; Y10S; Y10S408/00; Y10S408/707; Y10S409/00; Y10S409/903; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5623; Y10T408/56253; Y10T408/563
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) | 1941-09-05 | 1942-03-07 | 1942-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-09-05 | 1946-03-07 | 1946-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-09-05 | 1950-03-07 | 1950-09-06 | $7700.00 | Window Closed / Lapsed |