Patent US3369414A successfully refreshed from Google Patents.
US3369414A
Expired / Lapsed
US
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Flexible thread system
Assignee: Airco Inc
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Filing: 1966-06-02
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Granted: 1968-02-20
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Expires: 1986-06-02
Abstract
No abstract record available.
Inventors
- 👤 Jerry P Helck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:48
CPC Classifications
G; G05; G05G; G05G23/00; G05G2700/00; G05G2700/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19721
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN ADJUSTABLE FORCE TRANSMITTING MECHANISM COMPRISING, A HOUSING MEANS HAVING AN OPENING, SHAFT MEANS MOVABLY MOUNTED IN SAID OPENING, A HELICAL MEMBER COAXIAL WITH SAID SHAFT MEANS AND SURROUNDING THE SAME, SAID HELICAL MEMBER BEING COMPRESSIBLE WITH RESPECT TO SAID SHAFT MEANS AND BEING FIXEDLY CONNECTED AT ONE OF ITS ENDS TO ONE OF SAID MEANS, A SECOND COAXIAL HELICAL MEMBER SURROUNDING SAID SHAFT MEANS AND BEING THREADED BETWEEN THE CONVOLUTIONS OF SAID FIRST HELICAL MEMBER, SAID SECOND HELICAL MEMBER BEING FIXEDLY CONNECTED TO ONE OF SAID MEANS AND BEING SUBSTANTIALLY INCOMPRESSIBLE.
Claim 2
Dependent Claim
92 words
AN ADJUSTABLE FORCE TRANSMITTING MECHANISM COMPRISING, A HOUSING MEANS HAVING AN OPENING, SHAFT MEANS MOVABLY MOUNTED IN SAID OPENING, A HELICAL MEMBER COAXIAL WITH SAID SHAFT MEANS AND SURROUNDING THE SAME, SAID HELICAL MEMBER BEING COMPRESSIBLE WITH RESPECT TO SAID SHAFT MEANS AND BEING FIXEDLY CONNECTED AT ONE OF ITS ENDS TO ONE OF SAID MEANS, A SECOND COAXIAL HELICAL MEMBER SURROUNDING SAID SHAFT MEANS AND BEING THREADED BETWEEN THE CONVOLUTIONS OF SAID FIRST HELICAL MEMBER, SAID SECOND HELICAL MEMBER BEING FIXEDLY CONNECTED TO ONE OF SAID MEANS AND BEING SUBSTANTIALLY INCOMPRESSIBLE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |