US2824629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welded brake shoe assembly
Assignee: SK Wellman Corp
•
Filing: 1953-12-17
•
Granted: 1958-02-25
•
Expires: 1973-12-17
Abstract
No abstract record available.
Inventors
- 👤 Samuel K Wellman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:51
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/0021; F; F16; F16D; F16D69/00; F16D69/04; F16D69/0416; F16D2069/0425; F16D2069/045; F16D2069/0458; F16D2069/0491
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1909256A
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US2067363A
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US2277107A
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US2381941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |