US3304397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure control actuator with sealmounted electrical element
Assignee: Individual
•
Filing: 1964-11-23
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Granted: 1967-02-14
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Expires: 1984-11-23
Abstract
No abstract record available.
Inventors
- 👤 Edwin W Bernhagen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:52
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/02; H01H9/04; H01H35/00; H01H35/24; H01H35/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A DEVICE OF THE CLASS DESCRIBED, COMPRISING: A CASING INCLUDING WALL MEANS DEFINING A FLUID-PRESSURE-RECEIVABLE CHAMBER ENCLOSING AN INTERNAL MOVABLE MEMBER, SAID WALL MEANS INCLUDING A PORTION INCLUDING AN OUTER FACE AND HAVING A THROUGH-OPENING AND SAID PORTION HAVING THEREIN IN SAID OUTER FACE A PERIPHERAL EXTERNALLY FACING RECESS BORDERING THE OPENING AND ENLARGING SAID OPENING IN ONLY THE OUTER FACE OF SAID PORTION; A CONTROL ELEMENT RELATIVELY CLOSELY SLIDABLY FITTING AND EXTENDING THROUGH THE OPENING AND HAVING AN OUTER PART EXTERNALLY OF SAID WALL PORTION OUTER FACE AND SURROUNDED BY THE RECESS AND AN INNER PART WITHIN THE CHAMBER AND OPERATIVELY ASSOCIATED WITH THE MOVABLE MEMBER, SAID OUTER PART AND SAID RECESS COOPERATING TO PROVIDE AN EXTERNAL PERIPHERAL CHANNEL ABOUT SAID ELEMENT; AND MEANS SECURING THE ELEMENT IN PLACE, INCLUDING FILLER MATERIAL CONTAINED WITHIN THE CHANNEL AND PERIPHERALLY ENGAGING THE PROXIMATE PERIPHERAL PORTION OF SAID OUTER PART OF THE ELEMENT IN FLUID-TIGHT RELATION.
Claim 2
Independent Claim
154 words
A DEVICE OF THE CLASS DESCRIBED, COMPRISING: A CASING INCLUDING WALL MEANS DEFINING A FLUID-PRESSURE-RECEIVABLE CHAMBER ENCLOSING AN INTERNAL MOVABLE MEMBER, SAID WALL MEANS INCLUDING A PORTION INCLUDING AN OUTER FACE AND HAVING A THROUGH-OPENING AND SAID PORTION HAVING THEREIN IN SAID OUTER FACE A PERIPHERAL EXTERNALLY FACING RECESS BORDERING THE OPENING AND ENLARGING SAID OPENING IN ONLY THE OUTER FACE OF SAID PORTION; A CONTROL ELEMENT RELATIVELY CLOSELY SLIDABLY FITTING AND EXTENDING THROUGH THE OPENING AND HAVING AN OUTER PART EXTERNALLY OF SAID WALL PORTION OUTER FACE AND SURROUNDED BY THE RECESS AND AN INNER PART WITHIN THE CHAMBER AND OPERATIVELY ASSOCIATED WITH THE MOVABLE MEMBER, SAID OUTER PART AND SAID RECESS COOPERATING TO PROVIDE AN EXTERNAL PERIPHERAL CHANNEL ABOUT SAID ELEMENT; AND MEANS SECURING THE ELEMENT IN PLACE, INCLUDING FILLER MATERIAL CONTAINED WITHIN THE CHANNEL AND PERIPHERALLY ENGAGING THE PROXIMATE PERIPHERAL PORTION OF SAID OUTER PART OF THE ELEMENT IN FLUID-TIGHT RELATION.
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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |