Patent US1529657A successfully refreshed from Google Patents.
US1529657A
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Method of making reversible fulcrums for brake beams
Assignee: DAMASCUS BRAKE BEAM Co
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Filing: 1922-06-28
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Granted: 1925-03-17
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Expires: 1942-06-28
Abstract
No abstract record available.
Inventors
- 👤 Peter O Krehbiel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:38
CPC Classifications
B; B21; B21K; B21K7/00; B21K7/12; B21K7/14; B21K1/00; B21K1/74; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/4986
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) | 1928-03-16 | 1928-09-15 | 1929-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-03-16 | 1932-09-15 | 1933-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-03-16 | 1936-09-15 | 1937-03-17 | $7700.00 | Window Closed / Lapsed |