Patent US3180165A successfully refreshed from Google Patents.
US3180165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chains
Assignee: Link Belt Co
•
Filing: 1963-02-25
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Granted: 1965-04-27
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Raymond P Bain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:58
CPC Classifications
F; F16; F16G; F16G13/00; F16G13/02; F16G13/06; B; B65; B65G; B65G17/00; B65G17/30; B65G17/38; B65G2201/00; B65G2201/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN A CHAIN INCLUDING A SERIES OF LINKS HAVING OVERLAPPED BARS CONNECTED BY A PIVOT PIN, THE IMPROVEMENT WHICH COMPRISES SIDE BAR SPACER ELEMENTS POSITIONED BETWEEN THE OVERLAPPED BARS TO MAINTAIN THE BARS IN SPACED RELATIONSHIP TO ALLOW FREE PASSAGE OF LUBRICANT TO THE PIVOT PIN, EACH SPACER ELEMENT COMPRISING A LATERALLY EXTENDING PROTUBERANCE FIXEBLY POSITIONED ON ONE OF SAID BARS HAVING AN AREA OF ENGAGEMENT WITH THE OVERLAPPED
Claim 2
Dependent Claim
69 words
IN A CHAIN INCLUDING A SERIES OF LINKS HAVING OVERLAPPED BARS CONNECTED BY A PIVOT PIN, THE IMPROVEMENT WHICH COMPRISES SIDE BAR SPACER ELEMENTS POSITIONED BETWEEN THE OVERLAPPED BARS TO MAINTAIN THE BARS IN SPACED RELATIONSHIP TO ALLOW FREE PASSAGE OF LUBRICANT TO THE PIVOT PIN, EACH SPACER ELEMENT COMPRISING A LATERALLY EXTENDING PROTUBERANCE FIXEBLY POSITIONED ON ONE OF SAID BARS HAVING AN AREA OF ENGAGEMENT WITH THE OVERLAPPED
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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |