Patent US2836456A successfully refreshed from Google Patents.
US2836456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible camping trailer
Assignee: Individual
•
Filing: 1954-03-18
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Granted: 1958-05-27
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Expires: 1974-03-18
Abstract
No abstract record available.
Inventors
- 👤 Harold B Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:10
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/32; B60P3/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB324667A
Cited
US1998937A
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AU2020834A
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US2066342A
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US2155876A
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US2147892A
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US2182967A
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US2298619A
Cited
US2395691A
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US2725602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |