Patent US3313312A successfully refreshed from Google Patents.
US3313312A
Expired / Lapsed
US
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Thermally responsive actuator devices
Assignee: Individual
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Filing: 1964-01-24
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Granted: 1967-04-11
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Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 Wilfred W Weese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:05
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021; G05D23/022; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1819; Y10T137/7722; Y10T137/7723; Y10T137/7724
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A THERMAL-RESPONSIVE ACTUATOR APPARATUS COMPRISING: AN ASSEMBLY INCLUDING, CYLINDER MEANS, AND PISTON MEANS SLIDABLY MOUNTED IN SAID CYLINDER MEANS; SAID CYLINDER MEANS AND PISTON MEANS DEFINING A FIRST VARIABLE SIZE CAVITY AND A SECOND VARIABLE SIZE CAVITY COAXIALLY ALIGNED WITH SAID FIRST VARIABLE SIZED CAVITY, AND RESTRICTED PASSAGE MEANS INTERPOSED AXIALLY AND PROVIDING COMMUNICATION BETWEEN THE OUTERMOST AXIAL EXTREMITIES OF SAID FIRST AND SECOND CAVITIES; A MASS OF SOLIDIFIED, FUSIBLE MATERIAL SUPPORTED WITHIN SAID CYLINDER MEANS IN ONE OF SAID CAVITIES;
Claim 2
Dependent Claim
81 words
A THERMAL-RESPONSIVE ACTUATOR APPARATUS COMPRISING: AN ASSEMBLY INCLUDING, CYLINDER MEANS, AND PISTON MEANS SLIDABLY MOUNTED IN SAID CYLINDER MEANS; SAID CYLINDER MEANS AND PISTON MEANS DEFINING A FIRST VARIABLE SIZE CAVITY AND A SECOND VARIABLE SIZE CAVITY COAXIALLY ALIGNED WITH SAID FIRST VARIABLE SIZED CAVITY, AND RESTRICTED PASSAGE MEANS INTERPOSED AXIALLY AND PROVIDING COMMUNICATION BETWEEN THE OUTERMOST AXIAL EXTREMITIES OF SAID FIRST AND SECOND CAVITIES; A MASS OF SOLIDIFIED, FUSIBLE MATERIAL SUPPORTED WITHIN SAID CYLINDER MEANS IN ONE OF SAID CAVITIES;
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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |