Patent US3389274A successfully refreshed from Google Patents.
US3389274A
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Peristaltic actuator
Assignee: Applied Biosystems Inc
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Filing: 1965-12-06
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Granted: 1968-06-18
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Expires: 1985-12-06
Abstract
No abstract record available.
Inventors
- 👤 Hugh J Robertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:42
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)
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 |