US3087676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control apparatus
Assignee: Standard Thomson Corp
•
Filing: 1960-12-29
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Granted: 1963-04-30
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Expires: 1980-12-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry P Neher
- 👤 Roos Henry Warren
- 👤 Thurman F Naylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:06
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021; G05D23/022
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
FLUID CONTROL APPARATUS COMPRISING AN INNER TUBULAR MEMBER AND AN OUTER TUBULAR MEMBER, THE INNER TUBULAR MEMBER BEING PROVIDED WITH AN OPENING FORMING A FLUID PORT, THE TUBULAR MEMBERS BEING TELESCOPICALLY CONNECTED ONE TO THE OTHER, EACH OF THE TELESCOPIC MEMBERS HAVING AN END WALL SO THAT A FLUID TIGHT CHAMBER WHICH IS ADJUSTABLE IN VOLUME IS FORMED BY THE TELESCOPIC MEMBERS, THERMAL EXPANSIBLE MATERIAL WITHIN THE CHAMBER AND EXPANSIBLE TO FORCE THE TUBULAR MEMBERS IN A DIRECTION ONE FROM THE OTHER, AND RESILIENT MEANS URGING MOVEMENT OF THE TUBULAR MEMBERS ONE TOWARD THE OTHER.
References Cited (Backward Citations)
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US2797873A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |