US3003598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake drum
Assignee: ZF Active Safety US Inc
•
Filing: 1958-04-07
•
Granted: 1961-10-10
•
Expires: 1978-04-07
Abstract
No abstract record available.
Inventors
- 👤 Charles H Sumner
- 👤 Rupert L Atkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:29
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/78; F16D65/82; F16D65/827; F16D65/02; F16D2065/13; F16D2065/1304; F16D2065/1332
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA518980A
Cited
US1665437A
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CH148936A
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GB469803A
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US2265938A
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US2599707A
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US2563769A
Cited
FR1011437A
Cited
GB675961A
Cited
US2754942A
Cited
US2847096A
Cited
US2896749A
Cited
US2851131A
Cited
US2857208A
Cited
GB771174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |