Patent US3157055A successfully refreshed from Google Patents.
US3157055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable linear positioner
Assignee: Individual
•
Filing: 1964-03-17
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Granted: 1964-11-17
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Expires: 1984-03-17
Abstract
No abstract record available.
Inventors
- 👤 Gustav K Medicus
- 👤 Werner F Jehn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:21
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A VARIABLE LINEAR POSITIONER ADAPTED FOR ATTACHING TO AND POSITIONING A TERMINAL ELEMENT WITHIN A CLOSED VESSEL AND COMPRISING: A MOUNTING AND GUIDE TUBE HAVING AN OPEN REAR END AND AN OPEN FORWARD END FOR JOINING TO A VESSEL, AN INTERNALLY THREADED THIMBLE AXIALLY SLIDABLE WITHIN SAID MOUNTING AND GUIDE TUBE AND HAVING MEANS AT THE CLOSED END FOR SUPPORTING A FORWARDLY EXTENDING TERMINAL ELEMENT, AN ACTUATING ROD HAVING A FORWARD END EXTENDING INTO THE REAR END OF SAID MOUNTING AND GUIDE TUBE AND INTO THE OPEN END OF SAID THIMBLE, MEANS JOINED TO THE FORWARD END OF SAID ACTUATING ROD FOR ENGAGING THE INTERNAL THREADS OF SAID THIMBLE, SEALING MEANS FOR NONROTATABLY AND IN A LEAKPROOF MANNER JOINING SAID ACTUATING ROD TO SAID MOUNTING AND GUIDE TUBE, AND ACTUATING MEANS JOINED TO SAID ACTUATING ROD FOR MANIPULATING SAID ACTUATING ROD TO AXIALLY MOVE SAID THIMBLE IN SAID MOUNTING AND GUIDE TUBE.
Claim 2
Dependent Claim
152 words
A VARIABLE LINEAR POSITIONER ADAPTED FOR ATTACHING TO AND POSITIONING A TERMINAL ELEMENT WITHIN A CLOSED VESSEL AND COMPRISING: A MOUNTING AND GUIDE TUBE HAVING AN OPEN REAR END AND AN OPEN FORWARD END FOR JOINING TO A VESSEL, AN INTERNALLY THREADED THIMBLE AXIALLY SLIDABLE WITHIN SAID MOUNTING AND GUIDE TUBE AND HAVING MEANS AT THE CLOSED END FOR SUPPORTING A FORWARDLY EXTENDING TERMINAL ELEMENT, AN ACTUATING ROD HAVING A FORWARD END EXTENDING INTO THE REAR END OF SAID MOUNTING AND GUIDE TUBE AND INTO THE OPEN END OF SAID THIMBLE, MEANS JOINED TO THE FORWARD END OF SAID ACTUATING ROD FOR ENGAGING THE INTERNAL THREADS OF SAID THIMBLE, SEALING MEANS FOR NONROTATABLY AND IN A LEAKPROOF MANNER JOINING SAID ACTUATING ROD TO SAID MOUNTING AND GUIDE TUBE, AND ACTUATING MEANS JOINED TO SAID ACTUATING ROD FOR MANIPULATING SAID ACTUATING ROD TO AXIALLY MOVE SAID THIMBLE IN SAID MOUNTING AND GUIDE TUBE.
References Cited (Backward Citations)
US1992212A
Cited
US3004439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |