US2435353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material handling apparatus
Assignee: American Hoist and Derrick Co
•
Filing: 1944-05-08
•
Granted: 1948-02-03
•
Expires: 1964-05-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Hite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:45
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/02; B66D1/14; B66D1/16; B66D1/04; B66D1/06; B66D1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US179720A
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US475834A
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GB190806493A
Cited
US1238466A
Cited
US1488286A
Cited
US1575808A
Cited
US1498300A
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US1578965A
Cited
US1752962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-02 | 1951-08-04 | 1952-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-02 | 1955-08-04 | 1956-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-02 | 1959-08-04 | 1960-02-03 | $7700.00 | Window Closed / Lapsed |