Patent US3202267A successfully refreshed from Google Patents.
US3202267A
Expired / Lapsed
US
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Log haul chair
Assignee: Individual
•
Filing: 1964-05-25
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Granted: 1965-08-24
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Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 Charles H Watters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:43
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/10; B65G2201/00; B65G2201/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN LOG HAUL CHAIN-LINK CONVEYORS A LOG HAUL CHAIR TO REPLACE A LINK IN THE CHAIN COMPRISING A BASE, A PAIR OF LONGITUDINALLY SPACED HOOKS RIGIDLY CONNECTED TO THE BASE AND ORIENTED IN THE DIRECTION OF THE LINK TO BE REPLACED, SAID HOOKS HAVING FREE ENDS EXTENDING TOWARDS EACH OTHER AND BEING ADAPTED TO ENGAGE THE CHAIN LINKS ADJACENT TO THE FIRST-MENTIONED LINK, A CAP SECURED TO THE BASE, HAVING A PORTION THEREOF EXTENDING BETWEEN THE FREE ENDS OF THE HOOKS TO THEREBY FORM A LINK-SHAPED ENCLOSURE, AND MEANS ON THE CAP TO GRIPPINGLY ENGAGE THE HOOK, TO PREVENT SPREADING OF THE LATTER WHEN A LOAD IS APPLIED TO THE CONVEYOR.
Claim 2
Dependent Claim
111 words
IN LOG HAUL CHAIN-LINK CONVEYORS A LOG HAUL CHAIR TO REPLACE A LINK IN THE CHAIN COMPRISING A BASE, A PAIR OF LONGITUDINALLY SPACED HOOKS RIGIDLY CONNECTED TO THE BASE AND ORIENTED IN THE DIRECTION OF THE LINK TO BE REPLACED, SAID HOOKS HAVING FREE ENDS EXTENDING TOWARDS EACH OTHER AND BEING ADAPTED TO ENGAGE THE CHAIN LINKS ADJACENT TO THE FIRST-MENTIONED LINK, A CAP SECURED TO THE BASE, HAVING A PORTION THEREOF EXTENDING BETWEEN THE FREE ENDS OF THE HOOKS TO THEREBY FORM A LINK-SHAPED ENCLOSURE, AND MEANS ON THE CAP TO GRIPPINGLY ENGAGE THE HOOK, TO PREVENT SPREADING OF THE LATTER WHEN A LOAD IS APPLIED TO THE CONVEYOR.
References Cited (Backward Citations)
US2910170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |