Patent US3459451A successfully refreshed from Google Patents.
US3459451A
Expired / Lapsed
US
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Semi-trailer vehicles
Assignee: Hoynor Ltd
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Filing: 1966-10-13
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Granted: 1969-08-05
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Expires: 1986-10-13
Abstract
No abstract record available.
Inventors
- 👤 Gordon Hoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:21
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/04; B60P1/16; B60P1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2542799A
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US2775480A
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US2794673A
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US3094351A
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US2853341A
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US2861837A
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US2953410A
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US3055710A
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US3256042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |