Patent US2569873A successfully refreshed from Google Patents.
US2569873A
Expired / Lapsed
US
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Method of setting of tool for brake drum machining
Assignee: Individual
•
Filing: 1947-11-07
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Granted: 1951-10-02
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Expires: 1967-11-07
Abstract
No abstract record available.
Inventors
- 👤 Edward L Stacey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:22
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/02; Y; Y10; Y10T; Y10T408/00; Y10T408/03; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2541
Claims Analysis
Total Claims: 0
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US2015356A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |