Patent US3344905A successfully refreshed from Google Patents.
US3344905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain
Assignee: Individual
•
Filing: 1966-10-17
•
Granted: 1967-10-03
•
Expires: 1986-10-17
Abstract
No abstract record available.
Inventors
- 👤 Hofen Edward L Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:38
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)
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 |