US3362167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoring apparatus
Assignee: Allied Steel and Tractor Products Inc
•
Filing: 1965-07-27
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Granted: 1968-01-09
•
Expires: 1985-07-27
Abstract
No abstract record available.
Inventors
- 👤 Eugene T Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:57
CPC Classifications
E; E02; E02D; E02D17/00; E02D17/06; E02D17/08; E02D17/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
IN A HYDRAULIC JACK FOR SHORING THE OPPOSITE SIDES OF A TRENCH OR THE LIKE AND COMPRISING A PAIR OF OPPOSITE SHORING RAILS; A CYLINDER-AND-PISTON CROSS BRACE INCLUDING A CYLINDER HAVING A PIVOTAL CONNECTION TO ONE SHORING RAIL, A PISTON SLIDABLE IN SAID CYLINDER, AND A PISTON ROD CONNECTED TO THE PISTON AND EXTENDING THROUGH THE OPPOSITE END OF THE CYLINDER; A BLOCK HAVING A PIVOTAL CONNECTION TO THE OPPOSITE SHORING RAIL; AND A MOUNTING COLLAR, CARRIED BY SAID BLOCK, HAVING AN INTERNAL BORE WITH A DIAMETER TO RECEIVE AND SNUGLY FIT OVER THE OUTWARDLY EXTENDING END OF SAID PISTON ROD THE IMPROVEMENT WHICH COMPRISES: AN EXTENSION ADAPTOR SAID CYLINDER-AND-PISTON CROSS BRACE INCLUDING AN ADAPTOR COLLAR HAVING A SNUG SLIDING FIT OVER THE PISTON ROD BEYOND THE CYLINDER, THE EXTENSION SLEEVE HAVING A SNUG SLIDING FIT AT ONE END OVER THE ADAPTOR COLLAR AND HAVING A SNUG SLIDING FIT AT ITS OPPOSITE END OVER THE RESPECTIVE MOUNTING COLLAR, MEANS FOR DETACHABLY CONNECTING BOTH THE ADAPTOR COLLAR AND THE EXTENSION SLEEVE RIGIDLY TO THE PISTON ROD, AND MEANS FOR DETACHABLY CONNECTING THE EXTENSION SLEEVE RIGIDLY TO THE MOUNTING COLLAR.
Claim 2
Dependent Claim
188 words
IN A HYDRAULIC JACK FOR SHORING THE OPPOSITE SIDES OF A TRENCH OR THE LIKE AND COMPRISING A PAIR OF OPPOSITE SHORING RAILS; A CYLINDER-AND-PISTON CROSS BRACE INCLUDING A CYLINDER HAVING A PIVOTAL CONNECTION TO ONE SHORING RAIL, A PISTON SLIDABLE IN SAID CYLINDER, AND A PISTON ROD CONNECTED TO THE PISTON AND EXTENDING THROUGH THE OPPOSITE END OF THE CYLINDER; A BLOCK HAVING A PIVOTAL CONNECTION TO THE OPPOSITE SHORING RAIL; AND A MOUNTING COLLAR, CARRIED BY SAID BLOCK, HAVING AN INTERNAL BORE WITH A DIAMETER TO RECEIVE AND SNUGLY FIT OVER THE OUTWARDLY EXTENDING END OF SAID PISTON ROD THE IMPROVEMENT WHICH COMPRISES: AN EXTENSION ADAPTOR SAID CYLINDER-AND-PISTON CROSS BRACE INCLUDING AN ADAPTOR COLLAR HAVING A SNUG SLIDING FIT OVER THE PISTON ROD BEYOND THE CYLINDER, THE EXTENSION SLEEVE HAVING A SNUG SLIDING FIT AT ONE END OVER THE ADAPTOR COLLAR AND HAVING A SNUG SLIDING FIT AT ITS OPPOSITE END OVER THE RESPECTIVE MOUNTING COLLAR, MEANS FOR DETACHABLY CONNECTING BOTH THE ADAPTOR COLLAR AND THE EXTENSION SLEEVE RIGIDLY TO THE PISTON ROD, AND MEANS FOR DETACHABLY CONNECTING THE EXTENSION SLEEVE RIGIDLY TO THE MOUNTING COLLAR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |