Patent US20030167065A1 successfully refreshed from Google Patents.
US3190236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hook conveyors
Assignee: Individual
•
Filing: 1960-11-21
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Granted: 1965-06-22
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Expires: 1980-11-21
Abstract
No abstract record available.
Inventors
- 👤 John M Leach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:25
CPC Classifications
B; B65; B65G; B65G9/00; B65G9/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A CONVEYOR COMPRISING A TROLLEY, MEANS FOR APPLYING FORCE TO THE TROLLEY AT DIFFERENT ANGLES, A WHEEL CARRIED BY THE TROLLEY, A BEARING FOR THE WHEEL, AN ANGULARLY MOVABLE MOUNT FOR THE WHEEL BEARING WHICH WILL ENABLE THE WHEEL TO ASSUME DIFFERENT ANGULAR POSITIONS RELATIVE TO THE TROLLEY TO CORRECT FOR VARYING ANGLES OF APPLICATION OF FORCE TO THE BEARING.
Claim 2
Dependent Claim
60 words
A CONVEYOR COMPRISING A TROLLEY, MEANS FOR APPLYING FORCE TO THE TROLLEY AT DIFFERENT ANGLES, A WHEEL CARRIED BY THE TROLLEY, A BEARING FOR THE WHEEL, AN ANGULARLY MOVABLE MOUNT FOR THE WHEEL BEARING WHICH WILL ENABLE THE WHEEL TO ASSUME DIFFERENT ANGULAR POSITIONS RELATIVE TO THE TROLLEY TO CORRECT FOR VARYING ANGLES OF APPLICATION OF FORCE TO THE BEARING.
References Cited (Backward Citations)
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US2134755A
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US2249531A
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US2485215A
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US2633088A
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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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |