US3080952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve device operated by reversible electric motor
Assignee: Individual
•
Filing: 1958-11-25
•
Granted: 1963-03-12
•
Expires: 1978-11-25
Abstract
No abstract record available.
Inventors
- 👤 Carlstedt Sven Borje Fredrik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:47
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/04; F16K31/046; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
APPARATUS OF THE CHARACTER DESCRIBED, COMPRISING A DEVICE HAVING A CONTROL MEMBER MOVABLE TOWARD AND AWAY FROM TWO SPACED LIMIT POSITIONS, A REVERSIBLE SINGLE PHASE ELECTRIC MOTOR FOR ACTUATING SAID CONTROL MEMBER, SAID MOTOR HAVING A POWER OUTPUT COMPONENT SELECTIVELY ROTATABLE IN OPPOSITE DIRECTIONS, POWER TRANSMITTING MECHANISM CONNECTING SAID POWER OUTPUT COMPONENT AND SAID CONTROL MEMBER FOR CAUSING THE LATTER TO MOVE FROM ANY GIVEN OPERATIVE POSITION OF THE MEMBER IN A DIRECTION DEPENDING UPON THE DIRECTION OF ROTATION OF SAID COMPONENT, SAID POWER TRANSMITTING MECHANISM INCLUDING SPEED RESPONSIVE CLUTCH MEANS IN THE PATH OF POWER TRANSMISSION, SAID CLUTCH MEANS BEING RESPONSIVE TO THE SPEED OF OPERATION OF SAID POWER OUTPUT COMPONENT AND ENGAGEABLE ONLY AFTER SAID COMPONENT HAS REACHED A PREDETERMINED SPEED OF OPERATION IN EITHER DIRECTION TO MOVE THE CONTROL MEMBER AWAY FROM ANY GIVEN OPERATIVE POSITION.
Claim 2
Dependent Claim
139 words
APPARATUS OF THE CHARACTER DESCRIBED, COMPRISING A DEVICE HAVING A CONTROL MEMBER MOVABLE TOWARD AND AWAY FROM TWO SPACED LIMIT POSITIONS, A REVERSIBLE SINGLE PHASE ELECTRIC MOTOR FOR ACTUATING SAID CONTROL MEMBER, SAID MOTOR HAVING A POWER OUTPUT COMPONENT SELECTIVELY ROTATABLE IN OPPOSITE DIRECTIONS, POWER TRANSMITTING MECHANISM CONNECTING SAID POWER OUTPUT COMPONENT AND SAID CONTROL MEMBER FOR CAUSING THE LATTER TO MOVE FROM ANY GIVEN OPERATIVE POSITION OF THE MEMBER IN A DIRECTION DEPENDING UPON THE DIRECTION OF ROTATION OF SAID COMPONENT, SAID POWER TRANSMITTING MECHANISM INCLUDING SPEED RESPONSIVE CLUTCH MEANS IN THE PATH OF POWER TRANSMISSION, SAID CLUTCH MEANS BEING RESPONSIVE TO THE SPEED OF OPERATION OF SAID POWER OUTPUT COMPONENT AND ENGAGEABLE ONLY AFTER SAID COMPONENT HAS REACHED A PREDETERMINED SPEED OF OPERATION IN EITHER DIRECTION TO MOVE THE CONTROL MEMBER AWAY FROM ANY GIVEN OPERATIVE POSITION.
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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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |