Patent US2636451A successfully refreshed from Google Patents.
US2636451A
Expired / Lapsed
US
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Railway truck and body organization
Assignee: ThyssenKrupp Budd Co
•
Filing: 1947-12-30
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Granted: 1953-04-28
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Expires: 1967-12-30
Abstract
No abstract record available.
Inventors
- 👤 Watter Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:59
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/14; B61F5/144; B61F3/00; B61F3/02; B61F3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US595617A
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US700992A
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US850387A
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US1466590A
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FR757880A
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CH171202A
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FR784969A
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FR800843A
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US2208538A
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US2488288A
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DK52781A
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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) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |