US2534256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer unit
Assignee: Individual
•
Filing: 1945-08-03
•
Granted: 1950-12-19
•
Expires: 1965-08-03
Abstract
No abstract record available.
Inventors
- 👤 Fischer William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:32
CPC Classifications
B; B60; B60G; B60G21/00; B60G21/02; B60G21/04; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US326284A
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US542067A
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US657494A
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US842804A
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US844615A
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FR12186E
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US1149153A
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US1290813A
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GB130273A
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US1654939A
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US1732825A
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US1751010A
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DE623054C
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US2173419A
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US2227762A
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US2239849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |