Patent US2739833A successfully refreshed from Google Patents.
US2739833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible one and two story house trailer
Assignee: Individual
•
Filing: 1952-09-26
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Granted: 1956-03-27
•
Expires: 1972-09-26
Abstract
No abstract record available.
Inventors
- 👤 William J Schenkel
- 👤 Earl E Schenkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:45
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/32; B60P3/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US550518A
Cited
GB304802A
Cited
DE493762C
Cited
GB323160A
Cited
US1964894A
Cited
US1852984A
Cited
US2193352A
Cited
US2506870A
Cited
US2485475A
Cited
US2561921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |