US3288370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid system and control device therefor or the like
Assignee: Robertshaw Controls Co
•
Filing: 1963-10-08
•
Granted: 1966-11-29
•
Expires: 1983-10-08
Abstract
No abstract record available.
Inventors
- 👤 Frank V Mingrone
- 👤 Morgan David Luke
- 👤 Harold F Suider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:49
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/04; F25D17/042; F25D17/045; F25D2400/00; F25D2400/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN COMBINATION, A CONDITION RESPONSIVE MEANS HAVING MOVING MEANS MOVABLE IN RESPONSE TO SAID CONDITION, AN ACTUATOR TO BE MOVED BY SAID MOVING MEANS, A PIVOTALLY MOUNTED LEVER HAVING A PORTION ENGAGEABLE WITH SAID ACTUATOR, SAID ACTUATOR HAVING AN END SEPARATE FROM AND ENGAGEABLE WITH SAID MOVING MEANS, FIRST MEANS OPERATIVELY INTERCONNECTED TO SAID ACTUATOR TO TEND TO MOVE SAID ACTUATOR AWAY FROM SAID MOVING MEANS, AND SPRING MEANS OPERATIVELY INTERCONNECTED TO SAID LEVER TO RETARD MOVEMENT OF SAID MOVING MEANS IN ONE DIRECTION AND TO TEND TO HOLD SAID END OF SAID ACTUATOR AGAINST SAID MOVING MEANS IN OPPOSITION TO THE FORCE OF SAID FIRST MEANS SO THAT SAID ACTUATOR TENDS TO FOLLOW THE MOVEMENT OF SAID MOVING MEANS.
Claim 2
Dependent Claim
120 words
IN COMBINATION, A CONDITION RESPONSIVE MEANS HAVING MOVING MEANS MOVABLE IN RESPONSE TO SAID CONDITION, AN ACTUATOR TO BE MOVED BY SAID MOVING MEANS, A PIVOTALLY MOUNTED LEVER HAVING A PORTION ENGAGEABLE WITH SAID ACTUATOR, SAID ACTUATOR HAVING AN END SEPARATE FROM AND ENGAGEABLE WITH SAID MOVING MEANS, FIRST MEANS OPERATIVELY INTERCONNECTED TO SAID ACTUATOR TO TEND TO MOVE SAID ACTUATOR AWAY FROM SAID MOVING MEANS, AND SPRING MEANS OPERATIVELY INTERCONNECTED TO SAID LEVER TO RETARD MOVEMENT OF SAID MOVING MEANS IN ONE DIRECTION AND TO TEND TO HOLD SAID END OF SAID ACTUATOR AGAINST SAID MOVING MEANS IN OPPOSITION TO THE FORCE OF SAID FIRST MEANS SO THAT SAID ACTUATOR TENDS TO FOLLOW THE MOVEMENT OF SAID MOVING MEANS.
References Cited (Backward Citations)
US251591A
Cited
US998767A
Cited
US1358193A
Cited
US1803708A
Cited
US2012527A
Cited
US2032358A
Cited
US2055280A
Cited
US2107809A
Cited
US2338563A
Cited
US2537315A
Cited
US2467427A
Cited
US2526874A
Cited
US2626106A
Cited
US2676609A
Cited
US2625017A
Cited
US3156413A
Cited
US2907180A
Cited
US3177321A
Cited
US3048985A
Cited
US3121338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |