US2401990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structure
Assignee: Wingfoot Corp
•
Filing: 1943-10-06
•
Granted: 1946-06-11
•
Expires: 1963-10-06
Abstract
No abstract record available.
Inventors
- 👤 Ward T Van Orman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:55
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/04; B63C11/06; A; A41; A41D; A41D2400/00; A41D2400/10; A41D2400/14; A41D2500/00; A41D2500/20; A62; A62B; A62B17/00; A62B17/008; B63C2011/043; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24116
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) | 1949-06-10 | 1949-12-10 | 1950-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-06-10 | 1953-12-10 | 1954-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-06-10 | 1957-12-10 | 1958-06-11 | $7700.00 | Window Closed / Lapsed |