US2586433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat
Assignee: Wingfoot Corp
•
Filing: 1946-03-26
•
Granted: 1952-02-19
•
Expires: 1966-03-26
Abstract
No abstract record available.
Inventors
- 👤 Gerhard J Lepp
- 👤 Ralph C Bateman
- 👤 Keith L Emberson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:05
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/70; B60N2/7023; B60N2/7035; B60N2/7047
Claims Analysis
Total Claims: 0
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US2280840A
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US2308772A
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US2283116A
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US2330906A
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US2296603A
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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) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |