Patent US2440681A successfully refreshed from Google Patents.
US2440681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined truck and elevator
Assignee: Individual
•
Filing: 1945-10-15
•
Granted: 1948-05-04
•
Expires: 1965-10-15
Abstract
No abstract record available.
Inventors
- 👤 Roy F Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:47
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/02; B62; B62B; B62B1/00; B62B1/10; B62B1/14
Claims Analysis
Total Claims: 0
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US1856082A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |