US3333418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote control device
Assignee: Individual
•
Filing: 1965-06-10
•
Granted: 1967-08-01
•
Expires: 1985-06-10
Abstract
No abstract record available.
Inventors
- 👤 William E Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:47
CPC Classifications
F; F15; F15B; F15B7/00; F15B7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
IN A REMOTE CONTROL DEVICE FOR TRANSMITTING RECIPROCATING MOTION, MANUALLY OPERABLE MASTER PISTON AND CYLINDER COMPONENT, A SLAVE CYLINDER AND PISTON COMPONENT, HYDRAULIC MEANS INCLUDING A CONDUIT MEANS INTERCONNECTING THE CYLINDERS OF SAID COMPONENTS AND A BODY OF FLUID IN SAID CYLINDERS AND CONDUIT MEANS OPERATIVE TO TRANSMIT INPUT MOVEMENTS OF THE PISTON OF ONE OF SAID COMPONENTS INTO COMPLEMENTARY MOVEMENT OF THE PISTON OF THE OTHER COMPONENT, SPRING MEANS NORMALLY OPERATIVE TO MAINTAIN SAID COMPONENTS AT A PREDETERMINED POSITION, AND MEANS OPERABLE TO INCREASE OR DECREASE THE VOLUME OF SAID BODY OF FLUID WITH RESULTANT INCREASE OR DECREASE IN THE MAXIMUM POSSIBLE LENGTH OF STROKE OF THE PISTONS IN THEIR RESPECTIVE CYLINDERS, SAID MEANS OPERABLE TO INCREASE OR DECREASE THE VOLUME OF SAID FLUID BODY INCLUDING A FLUID RESERVOIR MOUNTED ON SAID MASTER COMPONENT AND CONNECTED TO SAID BODY OF FLUID BY A FLUID PASSAGE, AND A MANUALLY OPERABLE, NORMALLY CLOSED VALVE INTERPOSED IN SAID FLUID PASSAGE, SAID RESERVOIR HAVING A CAPACITY AT LEAST EQUAL TO THE DIFFERENCE BETWEEN THE PERMISSIBLE MAXIMUM AND MINIMUM VOLUME OF SAID FLUID BODY.
Claim 2
Dependent Claim
180 words
IN A REMOTE CONTROL DEVICE FOR TRANSMITTING RECIPROCATING MOTION, MANUALLY OPERABLE MASTER PISTON AND CYLINDER COMPONENT, A SLAVE CYLINDER AND PISTON COMPONENT, HYDRAULIC MEANS INCLUDING A CONDUIT MEANS INTERCONNECTING THE CYLINDERS OF SAID COMPONENTS AND A BODY OF FLUID IN SAID CYLINDERS AND CONDUIT MEANS OPERATIVE TO TRANSMIT INPUT MOVEMENTS OF THE PISTON OF ONE OF SAID COMPONENTS INTO COMPLEMENTARY MOVEMENT OF THE PISTON OF THE OTHER COMPONENT, SPRING MEANS NORMALLY OPERATIVE TO MAINTAIN SAID COMPONENTS AT A PREDETERMINED POSITION, AND MEANS OPERABLE TO INCREASE OR DECREASE THE VOLUME OF SAID BODY OF FLUID WITH RESULTANT INCREASE OR DECREASE IN THE MAXIMUM POSSIBLE LENGTH OF STROKE OF THE PISTONS IN THEIR RESPECTIVE CYLINDERS, SAID MEANS OPERABLE TO INCREASE OR DECREASE THE VOLUME OF SAID FLUID BODY INCLUDING A FLUID RESERVOIR MOUNTED ON SAID MASTER COMPONENT AND CONNECTED TO SAID BODY OF FLUID BY A FLUID PASSAGE, AND A MANUALLY OPERABLE, NORMALLY CLOSED VALVE INTERPOSED IN SAID FLUID PASSAGE, SAID RESERVOIR HAVING A CAPACITY AT LEAST EQUAL TO THE DIFFERENCE BETWEEN THE PERMISSIBLE MAXIMUM AND MINIMUM VOLUME OF SAID FLUID BODY.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |