US3004772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tandem axle semi-trailer convertible to single axle semi-trailers and vice versa
Assignee: STRICK TRAILERS
•
Filing: 1959-05-18
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Granted: 1961-10-17
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Expires: 1979-05-18
Abstract
No abstract record available.
Inventors
- 👤 Charles I Bohlen
- 👤 Sheppard Charles Bradford
- 👤 Orazio Peter J D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:22
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/64; B60P1/6418; B60P1/6481; Y; Y10; Y10S; Y10S280/00; Y10S280/08; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2010969A
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US2333853A
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US2369384A
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US2540859A
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US2564311A
Cited
US2731276A
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US2831735A
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US2841094A
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US2867450A
Cited
US2976051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |