US2453188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making friction elements and bond therefor
Assignee: American Brake Shoe Co
•
Filing: 1943-06-28
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Granted: 1948-11-09
•
Expires: 1963-06-28
Abstract
No abstract record available.
Inventors
- 👤 William A Blume
- 👤 Ray E Spokes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:47
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/02; F16D69/021; F16D69/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2273770A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |