US2601170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer vehicle with landing gear and tail gate elevator
Assignee: Individual
•
Filing: 1949-11-21
•
Granted: 1952-06-17
•
Expires: 1969-11-21
Abstract
No abstract record available.
Inventors
- 👤 Walter G Retzlaff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:32
CPC Classifications
B; B60; B60S; B60S9/00; B60S9/14; B60S9/16; B60D; B60D1/00; B60D1/58; B60D1/66; B60P; B60P1/00; B60P1/44; B60P1/4414
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1316661A
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US1763535A
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GB411542A
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GB470114A
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FR851008A
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US2267270A
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US2492364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |