US2328798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of lining
Assignee: Wingfoot Corp
•
Filing: 1940-06-13
•
Granted: 1943-09-07
•
Expires: 1960-06-13
Abstract
No abstract record available.
Inventors
- 👤 Charles E Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:58
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/16; B29C51/162; B31; B31B; B31B2105/00; B31B2120/00; B31B2120/40; B31B2120/402; B31B2120/406; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028
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) | 1946-09-06 | 1947-03-08 | 1947-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-09-06 | 1951-03-08 | 1951-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-09-06 | 1955-03-08 | 1955-09-07 | $7700.00 | Window Closed / Lapsed |