US2680475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring seat construction
Assignee: Old Carco LLC
•
Filing: 1950-06-03
•
Granted: 1954-06-08
•
Expires: 1970-06-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Caton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:29
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/70; B60N2/7023; B60N2/7035; B60N2/7047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1846848A
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GB360615A
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US2002157A
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US2059424A
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US2012575A
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US2186548A
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US2315543A
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US2291429A
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US2315706A
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GB587828A
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US2613732A
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US2526184A
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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) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |