Patent US2577534A successfully refreshed from Google Patents.
US2577534A
Expired / Lapsed
US
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Brake shoe treating apparatus
Assignee: Individual
•
Filing: 1947-01-27
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Granted: 1951-12-04
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Expires: 1967-01-27
Abstract
No abstract record available.
Inventors
- 👤 Sydney P Lowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:39
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/26; B24B19/28; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/305544; Y10T409/305656
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1362816A
Cited
US1991231A
Cited
US2194936A
Cited
US2304530A
Cited
US2325826A
Cited
US2345161A
Cited
US2365078A
Cited
US2366993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-03 | 1955-06-04 | 1955-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-03 | 1959-06-04 | 1959-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-03 | 1963-06-04 | 1963-12-04 | $7700.00 | Window Closed / Lapsed |