US2880013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chassis frame with tubular side sills for automobiles
Assignee: ThyssenKrupp Budd Co
•
Filing: 1954-06-21
•
Granted: 1959-03-31
•
Expires: 1974-06-21
Abstract
No abstract record available.
Inventors
- 👤 Walter B Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:30
CPC Classifications
B; B62; B62D; B62D65/00; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/16; B21C37/18; B21D; B21D11/00; B21D11/10; B21D53/00; B21D53/88; B62D21/00; B62D21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1343682A
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US1809606A
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US1867341A
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US2027898A
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US2192560A
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US2118448A
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US2105713A
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US2196497A
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US2229371A
Cited
US2297123A
Cited
US2747887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |