US2982378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water and air cooled brake drum
Assignee: Cabot Corp
•
Filing: 1958-09-12
•
Granted: 1961-05-02
•
Expires: 1978-09-12
Abstract
No abstract record available.
Inventors
- 👤 Merl G Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:00
CPC Classifications
B; B66; B66D; B66D5/00; B66D5/02; B66D5/023; F; F16; F16D; F16D65/00; F16D65/78; F16D65/80; F16D65/813
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1879049A
Cited
US1966823A
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US1853118A
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FR707273A
Cited
US2147761A
Cited
US2263961A
Cited
US2412706A
Cited
US2502898A
Cited
US2436758A
Cited
GB739244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |