US2744564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making automobile door panels
Assignee: Individual
•
Filing: 1952-10-22
•
Granted: 1956-05-08
•
Expires: 1972-10-22
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Woodburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:34
CPC Classifications
B; B68; B68G; B68G7/00; B68G7/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T156/1046; Y10T156/1052; Y10T156/1082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2150030A
Cited
US2215973A
Cited
US2303195A
Cited
US2347806A
Cited
US2620014A
Cited
US2578709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |