US2273452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of uniting surfaces
Assignee: Wingfoot Corp
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Filing: 1938-07-26
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Granted: 1942-02-17
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Expires: 1958-07-26
Abstract
No abstract record available.
Inventors
- 👤 James E Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:19
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/122; B; B65; B65D; B65D65/00; B65D65/02; B65D65/22; B65D65/38; B65D65/40; C08J2315/00; C08J2315/02
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) | 1945-02-16 | 1945-08-18 | 1946-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-02-16 | 1949-08-18 | 1950-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-02-16 | 1953-08-18 | 1954-02-17 | $7700.00 | Window Closed / Lapsed |