US2811932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-deck railway train and car
Assignee: ThyssenKrupp Budd Co
•
Filing: 1952-03-01
•
Granted: 1957-11-05
•
Expires: 1972-03-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Clary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:59
CPC Classifications
B; B61; B61D; B61D1/00; B61D1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US864614A
Cited
US2143827A
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US2211469A
Cited
US2285933A
Cited
US2405136A
Cited
US2519049A
Cited
US2690141A
Cited
US2589997A
Cited
US2633090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |