US2106166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway car door structure
Assignee: Chicago Railway Equipment Co
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Filing: 1934-05-02
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Granted: 1938-01-25
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Expires: 1954-05-02
Abstract
No abstract record available.
Inventors
- 👤 Edwin G Busse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:10
CPC Classifications
B; B61; B61D; B61D19/00; B61D19/003; B61D19/005; Y; Y10; Y10S; Y10S292/00; Y10S292/32; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0834; Y10T292/0836; Y10T292/0845; Y10T292/096; Y10T292/1006; Y10T292/1007; Y10T292/1013; Y10T292/1014; Y10T292/1022; Y10T292/1031; Y10T292/71; Y10T292/73
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-01-24 | 1941-07-26 | 1942-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-01-24 | 1945-07-26 | 1946-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-01-24 | 1949-07-26 | 1950-01-25 | $7700.00 | Window Closed / Lapsed |