Patent US2667948A successfully refreshed from Google Patents.
US2667948A
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US
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Brake shoe assembly
Assignee: Permafuse Corp
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Filing: 1947-05-26
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Granted: 1954-02-02
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Expires: 1967-05-26
Abstract
No abstract record available.
Inventors
- 👤 Sydney G Tilden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:08
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/0006; F16D65/02; F16D65/04; F16D65/08; F16D69/00; F16D69/04; F16D69/0416; F16D2069/004; F16D2069/005; F16D2069/007; F16D2069/0425; F16D2069/045; F16D2069/0466
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1563368A
Cited
US1716090A
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US1664855A
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US1756936A
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US1848084A
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US1872547A
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US2400995A
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US2581926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |