US2644971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loading dock construction
Assignee: Individual
•
Filing: 1949-11-18
•
Granted: 1953-07-14
•
Expires: 1969-11-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Rowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:24
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/28; B65G69/2805; B65G69/2811; B65G69/2817; B65G69/287; B65G69/2876; B65G69/2882
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1144836A
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US1905947A
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US2329855A
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US2337138A
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US2449829A
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US2452289A
Cited
US2424876A
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US2560064A
Cited
US2461678A
Cited
US2626411A
Cited
US2527653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |