US2521272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator car
Assignee: JBS USA LLC
•
Filing: 1947-05-03
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Granted: 1950-09-05
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Expires: 1967-05-03
Abstract
No abstract record available.
Inventors
- 👤 Beverly E Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:18
CPC Classifications
F; F25; F25D; F25D16/00; B; B61; B61D; B61D27/00; B61D27/0072; B61D27/0081; F25D3/00; F25D3/005; F25D3/02; F25D3/06; Y; Y02; Y02T; Y02T30/00
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) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |