Patent US4257436A successfully refreshed from Google Patents.
US3036670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle roof structure
Assignee: Great Dane Trailers Inc
•
Filing: 1959-03-10
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Granted: 1962-05-29
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Expires: 1979-03-10
Abstract
No abstract record available.
Inventors
- 👤 Robert A Jewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:19
CPC Classifications
B; B62; B62D; B62D25/00; B62D25/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB334113A
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US2001632A
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US2108795A
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US2056563A
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US2147059A
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US2113128A
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US2069413A
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US2720948A
Cited
US2744042A
Cited
US2921814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |