Patent US2016574A successfully refreshed from Google Patents.
US2016574A
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US
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Brake tool
Assignee: ROY A BARR
•
Filing: 1935-01-04
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Granted: 1935-10-08
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Expires: 1955-01-04
Abstract
No abstract record available.
Inventors
- 👤 Leslie R Myers
- 👤 Rock Eagle
- 👤 Mayer Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:57
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/02; B24B5/06; B24B5/065; Y; Y10; Y10S; Y10S451/00; Y10S451/902
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) | 1938-10-07 | 1939-04-08 | 1939-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-07 | 1943-04-08 | 1943-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-07 | 1947-04-08 | 1947-10-08 | $7700.00 | Window Closed / Lapsed |