Patent US2616580A successfully refreshed from Google Patents.
US2616580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fork lift trailer
Assignee: Individual
•
Filing: 1949-07-29
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Granted: 1952-11-04
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Expires: 1969-07-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:34
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/04; B62B3/06; B62B3/0625; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0857; B62B2203/00; B62B2203/20; B62B2203/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1900569A
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FR781794A
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US2178368A
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US2230014A
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US2281012A
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US2400312A
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US2364918A
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US2479841A
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US2492608A
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US2437982A
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US2449146A
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US2479758A
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US2520564A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |