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US2112697A
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Method of making brake drums
Assignee: Motor Wheel Corp
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Filing: 1935-07-25
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Granted: 1938-03-29
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Expires: 1955-07-25
Abstract
No abstract record available.
Inventors
- 👤 Andrew S Van Halteren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:04
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/26; B21D53/34; F; F16; F16D; F16D65/00; F16D65/02; F16D2065/13; F16D2065/1304; F16D2065/132; F16D2065/1324; F16D2065/1332; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/49524; Y10T29/49529; Y10T29/49789; Y10T29/49792; Y10T29/49826; Y10T29/49947; Y10T29/49954; Y10T29/49956; Y10T29/49972; Y10T29/4998; Y10T29/49988; Y10T29/49989
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-03-28 | 1941-09-27 | 1942-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-03-28 | 1945-09-27 | 1946-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-03-28 | 1949-09-27 | 1950-03-29 | $7700.00 | Window Closed / Lapsed |