US2559304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch for refrigerator car doors
Assignee: Union Asbestos and Rubber Co
•
Filing: 1944-04-01
•
Granted: 1951-07-03
•
Expires: 1964-04-01
Abstract
No abstract record available.
Inventors
- 👤 John S Lundvall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:35
CPC Classifications
B; B61; B61D; B61D27/00; B61D27/0072; B61D27/0081; Y; Y10; 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)
US587497A
Cited
US1551506A
Cited
US1741630A
Cited
US2000474A
Cited
US2107862A
Cited
US2005086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |