US2485969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making brake drums
Assignee: Motor Wheel Corp
•
Filing: 1945-05-21
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Granted: 1949-10-25
•
Expires: 1965-05-21
Abstract
No abstract record available.
Inventors
- 👤 Stanley N Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:51
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/26; B21D53/34; F; F16; F16D; F16D65/00; F16D65/02; F16D2065/13; F16D2065/1304; F16D2065/132; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US606786A
Cited
US1484141A
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US1486976A
Cited
US1907914A
Cited
US1980264A
Cited
US2112697A
Cited
US2082199A
Cited
US2153173A
Cited
US2316029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |