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Patent US3292567A successfully refreshed from Google Patents.
US3292567A
Expired / Lapsed
US
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Ratchet connector
Assignee: Individual
•
Filing: 1965-03-22
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Granted: 1966-12-20
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Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Walter L Blackburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:07
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/56; B63B21/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A RATCHET DEVICE FOR INTERCONNECTING A BARGE TRAIN INCLUDING: AN ELONGATED U-SHAPED CHANNEL MEMBER, SAID MEMBER HAVING A SERIES OF COMMUNICATING SPACED NOTCHES SYMMETRICALLY POSITIONED ALONG BOTH SIDES THEREOF, A SCREW CONNECTOR HAVING TWO ENDS, THE FIRST END OF SAID CONNECTOR SLIDABLE WITHIN SAID CHANNEL MEMBER, MEANS TO PREVENT SCREWABLE DISENGAGEMENT OF SAID ENDS FROM THE SCREW CONNECTOR, A TRANSVERSE STUD EXTENDING FROM SAID FIRST END OF THE SCREW CONNECTOR AND SELECTIVELY ENGAGING SAID NOTCHES,
Claim 2
Dependent Claim
75 words
A RATCHET DEVICE FOR INTERCONNECTING A BARGE TRAIN INCLUDING: AN ELONGATED U-SHAPED CHANNEL MEMBER, SAID MEMBER HAVING A SERIES OF COMMUNICATING SPACED NOTCHES SYMMETRICALLY POSITIONED ALONG BOTH SIDES THEREOF, A SCREW CONNECTOR HAVING TWO ENDS, THE FIRST END OF SAID CONNECTOR SLIDABLE WITHIN SAID CHANNEL MEMBER, MEANS TO PREVENT SCREWABLE DISENGAGEMENT OF SAID ENDS FROM THE SCREW CONNECTOR, A TRANSVERSE STUD EXTENDING FROM SAID FIRST END OF THE SCREW CONNECTOR AND SELECTIVELY ENGAGING SAID NOTCHES,
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |