Patent US5314003A successfully refreshed from Google Patents.
Patent US3243952A successfully refreshed from Google Patents.
US3243952A
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Retaining pin for two part chain link
Assignee: P&H TECHNOLOGIES Inc A CORP OF
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Filing: 1963-11-18
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Granted: 1966-04-05
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Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 John W Page
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:46
CPC Classifications
F; F16; F16G; F16G15/00; F16G15/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A RETAINING PIN FOR A TWO-PART CHAIN LINK HAVING ALIGNED PIN RECEIVING HOLES THEREIN, COMPRISING: A FIRST ENLARGED SHAFT PORTION OF A SIZE TO BE RECEIVED IN SAID HOLES; A SECOND REDUCED SHAFT PORTION, SA ID SECOND PORTION HAVING A CAM SURFACE THEREON WITH A PORTION OF SAID CAM SURFACE INTERSECTING THE LONGITUDINAL AXIS OF SAID FIRST SHAFT PORTION, SAID SECOND PORTION FURTHER HAVING LOCKING MEANS BEHIND SAID CAM SURFACE SO THAT TWO SUCH PINS CAN BE INSERTED OPPOSITE EACH OTHER AND LOCKED AS A UNIT BY THE APPLICATION OF AXIAL END BLOWS THEREON.
Claim 2
Dependent Claim
94 words
A RETAINING PIN FOR A TWO-PART CHAIN LINK HAVING ALIGNED PIN RECEIVING HOLES THEREIN, COMPRISING: A FIRST ENLARGED SHAFT PORTION OF A SIZE TO BE RECEIVED IN SAID HOLES; A SECOND REDUCED SHAFT PORTION, SA ID SECOND PORTION HAVING A CAM SURFACE THEREON WITH A PORTION OF SAID CAM SURFACE INTERSECTING THE LONGITUDINAL AXIS OF SAID FIRST SHAFT PORTION, SAID SECOND PORTION FURTHER HAVING LOCKING MEANS BEHIND SAID CAM SURFACE SO THAT TWO SUCH PINS CAN BE INSERTED OPPOSITE EACH OTHER AND LOCKED AS A UNIT BY THE APPLICATION OF AXIAL END BLOWS THEREON.
References Cited (Backward Citations)
US2777284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |