US2581192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible trailer cabin
Assignee: Individual
•
Filing: 1949-06-30
•
Granted: 1952-01-01
•
Expires: 1969-06-30
Abstract
No abstract record available.
Inventors
- 👤 Fleur John La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:04
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/34305; B; B60; B60P; B60P3/00; B60P3/32; B60P3/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1156693A
Cited
US1521635A
Cited
DE447229C
Cited
GB304802A
Cited
FR823427A
Cited
US2136130A
Cited
GB585382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |