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US3389274A Expired / Lapsed US ⏱️ 0.0 years remaining

Peristaltic actuator

Assignee: Applied Biosystems Inc
•
Filing: 1965-12-06
•
Granted: 1968-06-18
•
Expires: 1985-12-06
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Abstract

No abstract record available.

Inventors

  • 👤 Hugh J Robertson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:19
CPC Classifications
H; H02; H02N; H02N2/00; H02N2/02; H02N2/021; H02N2/023; H10; H10N; H10N30/00; H10N30/50; H10N30/503; H10N30/505; H10N35/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 70 words
A PERISTALTIC ACTUATOR COMPRISING: A FIRST MEMBER, A SECOND MEMBER, OF MATERIAL CHANGEABLE IN SIZE WHEN EXCITED, IN FRICTIONAL COMMUNICATION WITH AND MOUNTED FOR SLIDABLE MOVEMENT IN THE DIRECTION OF ITS LONGITUDINAL AXIS RELATIVE TO SAID FIRST MEMBER, AND MEANS FOR EXCITING PORTIONS OF SAID SECOND MEMBER IN SEQUENCE ALONG THE DIRECTION OF ITS LONGITUDINAL AXIS, CAUSING THEREBY A DISPLACEMENT OF ONE OF SAID MEMBERS RELATIVE TO THE OTHER MEMBER.
Claim 2
Dependent Claim 70 words
A PERISTALTIC ACTUATOR COMPRISING: A FIRST MEMBER, A SECOND MEMBER, OF MATERIAL CHANGEABLE IN SIZE WHEN EXCITED, IN FRICTIONAL COMMUNICATION WITH AND MOUNTED FOR SLIDABLE MOVEMENT IN THE DIRECTION OF ITS LONGITUDINAL AXIS RELATIVE TO SAID FIRST MEMBER, AND MEANS FOR EXCITING PORTIONS OF SAID SECOND MEMBER IN SEQUENCE ALONG THE DIRECTION OF ITS LONGITUDINAL AXIS, CAUSING THEREBY A DISPLACEMENT OF ONE OF SAID MEMBERS RELATIVE TO THE OTHER MEMBER.

References Cited (Backward Citations)

US2401094A Cited
US2506141A Cited
US3138749A Cited
US3233749A Cited
US3292019A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-06-18 1971-12-18 1972-06-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-06-18 1975-12-18 1976-06-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-06-18 1979-12-18 1980-06-18 $7700.00 Window Closed / Lapsed

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