Patent US2143226A successfully refreshed from Google Patents.
US2143226A
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US
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Car door
Assignee: P & P Car Line Inc
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Filing: 1936-03-05
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Granted: 1939-01-10
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Expires: 1956-03-05
Abstract
No abstract record available.
Inventors
- 👤 Evelyn D Lonergan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:03
CPC Classifications
B; B61; B61D; B61D19/00; B61D19/003; B61D19/009; Y; Y10; Y10S; Y10S292/00; Y10S292/32; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1049; Y10T292/1075; Y10T292/1083; Y10T292/1092
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) | 1942-01-09 | 1942-07-11 | 1943-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-01-09 | 1946-07-11 | 1947-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-01-09 | 1950-07-11 | 1951-01-10 | $7700.00 | Window Closed / Lapsed |