US2545513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient seat
Assignee: Wingfoot Corp
•
Filing: 1947-06-10
•
Granted: 1951-03-20
•
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
2026-11-06 10:05
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/70; B60N2/7023; B60N2/7035; B60N2/7047; B60N2/7058; B60N2/7064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE201115C
Cited
US534621A
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US2311145A
Cited
GB190000144A
Cited
US817918A
Cited
DE542986C
Cited
US1904841A
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US2234253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |