Patent FR2344262A1 successfully refreshed from Google Patents.
US3090598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic jack for the prestressing of concrete reinforcements
Assignee: MAX PAUL AND SOHNE MASCHINENFABRIK
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Filing: 1961-02-06
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Granted: 1963-05-21
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Expires: 1981-02-06
Abstract
No abstract record available.
Inventors
- 👤 Paul Odilo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:04
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/12; E04G21/121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A HYDRAULIC JACK ADAPTED FOR THE STRESSING OF AN ELONGATED TENSIONABLE ELEMENT ANCHORED AT ONE END TO A STRUCTURE PROVIDED WITH RELEASABLE ANCHOR MEANS FOR SAID ELEMENT REMOTE FROM SAID ONE END, COMPRISING A TUBULAR HOUSING POSITIONABLE TO SURROUND A PROJECTING PORTION OF SAID ELEMENT WHILE BEARING WITH A FORWARD EXTREMITY UPON SAID STRUCTURE, HYDRAULIC LOCKING MEANS FOR SAID ELEMENT AT THE FORWARD EXTREMITY OF SAID HOUSING ADAPTED TO COOPERATE WITH SAID RELEASABLE ANCHOR MEANS AT SAID STRUCTURE, HYDRAULIC TENSIONING MEANS FOR SAID ELEMENT MOUNTED REARWARDLY OF SAID LOCKING MEANS, AND HYDRAULIC CLAMPING MEANS IN SAID HOUSING SECURED TO SAID TENSIONING MEANS AT A LOCATION BETWEEN THE LATTER AND SAID LOCKING MEANS AND OPERABLE INDEPENDENTLY OF SAID TENSIONING MEANS OF RELEASABLY ENGAGING SAID ELEMENT.
Claim 2
Dependent Claim
124 words
A HYDRAULIC JACK ADAPTED FOR THE STRESSING OF AN ELONGATED TENSIONABLE ELEMENT ANCHORED AT ONE END TO A STRUCTURE PROVIDED WITH RELEASABLE ANCHOR MEANS FOR SAID ELEMENT REMOTE FROM SAID ONE END, COMPRISING A TUBULAR HOUSING POSITIONABLE TO SURROUND A PROJECTING PORTION OF SAID ELEMENT WHILE BEARING WITH A FORWARD EXTREMITY UPON SAID STRUCTURE, HYDRAULIC LOCKING MEANS FOR SAID ELEMENT AT THE FORWARD EXTREMITY OF SAID HOUSING ADAPTED TO COOPERATE WITH SAID RELEASABLE ANCHOR MEANS AT SAID STRUCTURE, HYDRAULIC TENSIONING MEANS FOR SAID ELEMENT MOUNTED REARWARDLY OF SAID LOCKING MEANS, AND HYDRAULIC CLAMPING MEANS IN SAID HOUSING SECURED TO SAID TENSIONING MEANS AT A LOCATION BETWEEN THE LATTER AND SAID LOCKING MEANS AND OPERABLE INDEPENDENTLY OF SAID TENSIONING MEANS OF RELEASABLY ENGAGING SAID ELEMENT.
References Cited (Backward Citations)
US2763464A
Cited
US2875980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |