US2586029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming drop-center rims
Assignee: ThyssenKrupp Budd Co
•
Filing: 1949-01-12
•
Granted: 1952-02-19
•
Expires: 1969-01-12
Abstract
No abstract record available.
Inventors
- 👤 Robert O Greenshields
- 👤 Ottmar E Schmidt
- 👤 John G Kay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:00
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/26; B21D53/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/49524; Y10T29/49529
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2181848A
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US2291393A
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US2295852A
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US2291394A
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US2324982A
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US2467665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |