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US3344905A Expired / Lapsed US ⏱️ 0.0 years remaining

Chain

Assignee: Individual
•
Filing: 1966-10-17
•
Granted: 1967-10-03
•
Expires: 1986-10-17
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Abstract

No abstract record available.

Inventors

  • 👤 Hofen Edward L Von

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 09:08
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/08; B65G17/086; B65G2201/00; B65G2201/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 50 words
IN A CONVEYOR CHAIN, A LINK HAVING A SURFACE FOR SUPPORTING AN ARTICLE TO BE CONVEYED, SAID LINK HAVING A BALL PORTION SPACED FROM SAID SURFACE AND HAVING A SOCKET PROTION HAVING WALLS DEFINING A BALL-RECEIVING CAVITY SPACE FROM SAID BALL PORTION, AND MEANS INCLUDING A BALL-RETAINING MEMBER ADAPTED TO
Claim 2
Dependent Claim 50 words
IN A CONVEYOR CHAIN, A LINK HAVING A SURFACE FOR SUPPORTING AN ARTICLE TO BE CONVEYED, SAID LINK HAVING A BALL PORTION SPACED FROM SAID SURFACE AND HAVING A SOCKET PROTION HAVING WALLS DEFINING A BALL-RECEIVING CAVITY SPACE FROM SAID BALL PORTION, AND MEANS INCLUDING A BALL-RETAINING MEMBER ADAPTED TO

References Cited (Backward Citations)

DE314988C Cited
US1861642A Cited
US2290981A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-10-02 1971-04-03 1971-10-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-10-02 1975-04-03 1975-10-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-10-02 1979-04-03 1979-10-03 $7700.00 Window Closed / Lapsed

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