Patent US6356633B1 successfully refreshed from Google Patents.
US2633185A
Expired / Lapsed
US
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Divided seat construction
Assignee: Wingfoot Corp
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Filing: 1947-06-10
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Granted: 1953-03-31
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Expires: 1967-06-10
Abstract
No abstract record available.
Inventors
- 👤 Keith L Emberson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:10
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/70; B60N2/7023; B60N2/7035; B60N2/7047; B60N2/7052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1852943A
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US1945458A
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US2272885A
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FR869168A
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US2313020A
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US2293563A
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US2285827A
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US2399563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |