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US2835433A
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Assignee: Wingfoot Corp
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Filing: 1955-04-12
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Granted: 1958-05-20
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Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Swartz Ruby Jean
- 👤 James E Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:54
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/10; B65D77/12; Y; Y10; Y10S; Y10S383/00; Y10S383/908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2354590A
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US2257823A
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US2392695A
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US2441940A
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US2424536A
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US2538025A
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US2477614A
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US2594229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |