Patent US2972183A successfully refreshed from Google Patents.
US2972183A
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Method of forming flanged hubs by forging and coining
Assignee: ThyssenKrupp Budd Co
•
Filing: 1953-08-27
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Granted: 1961-02-21
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Expires: 1973-08-27
Abstract
No abstract record available.
Inventors
- 👤 Robert O Greenshields
- 👤 Patrick J Hogan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:37
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/28; B21K1/40; B21J; B21J9/00; B21J9/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/49533; Y10T29/49536
Claims Analysis
Total Claims: 0
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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) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |