US2873790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making pneumatic tires by casting a liquid polyester-diisocyanate composition
Assignee: Uniroyal Inc
•
Filing: 1953-04-20
•
Granted: 1959-02-17
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Expires: 1973-04-20
Abstract
No abstract record available.
Inventors
- 👤 Sidney M Cadwell
- 👤 Leland M White
- 👤 Sheppard A Black
- 👤 Henry R Varvaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:51
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2625535A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |