US3075585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid sampler
Assignee: Jersey Production Research Co
•
Filing: 1961-04-12
•
Granted: 1963-01-29
•
Expires: 1981-04-12
Abstract
No abstract record available.
Inventors
- 👤 Louis A Carlton
- 👤 Beldon A Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:02
CPC Classifications
E; E21; E21B; E21B49/00; E21B49/08; E21B49/081; E21B49/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A FLUID SAMPLER, COMPRISING: A HOUSING; A SAMPLE CHAMBER IN SAID HOUSING; A PASSAGEWAY FROM SAID CHAMBER TO THE EXTERIOR OF SAID HOUSING; FIRST MEANS IN SAID HOUSING ADAPTED TO CLOSE SAID PASSAGEWAY AT LEAST UNITL SAID HOUSING IS A FLUID SAMPLE TAKING LOCATION; MEANS IN SAID HOUSING FOR OPENING SAID FIRST MEANS; A VALVE IN SAID PASSAGEWAY COMPRISING A FIXED VALVE SEAT AND A MOVABLE VALVE PISTON; A SECOND FLUID-TIGHT CYLINDRICAL CHAMBER; A PISTON ROD CONNECTED TO SAID VALVE PISTON AND RECIPROCABLY EXTENDING THROUGH SAID SECOND CHAMBER INTO SAID PASSAGEWAY AT BOTH ENDS OF SAID ROD, SAID ROD HAVING A SMALLER DIAMETER AT THE PISTON END OF SAID SECOND CHAMBER THAN AT THE OPPOSITE END OF SAID SECOND CHAMBER; AND MEANS AFFIXED TO SAID ROD IN SAID SECOND CHAMBER CONSTRUCTED AND ARRANGED TO PERMIT ROD MOVEMENT AWAY
Claim 2
Dependent Claim
138 words
A FLUID SAMPLER, COMPRISING: A HOUSING; A SAMPLE CHAMBER IN SAID HOUSING; A PASSAGEWAY FROM SAID CHAMBER TO THE EXTERIOR OF SAID HOUSING; FIRST MEANS IN SAID HOUSING ADAPTED TO CLOSE SAID PASSAGEWAY AT LEAST UNITL SAID HOUSING IS A FLUID SAMPLE TAKING LOCATION; MEANS IN SAID HOUSING FOR OPENING SAID FIRST MEANS; A VALVE IN SAID PASSAGEWAY COMPRISING A FIXED VALVE SEAT AND A MOVABLE VALVE PISTON; A SECOND FLUID-TIGHT CYLINDRICAL CHAMBER; A PISTON ROD CONNECTED TO SAID VALVE PISTON AND RECIPROCABLY EXTENDING THROUGH SAID SECOND CHAMBER INTO SAID PASSAGEWAY AT BOTH ENDS OF SAID ROD, SAID ROD HAVING A SMALLER DIAMETER AT THE PISTON END OF SAID SECOND CHAMBER THAN AT THE OPPOSITE END OF SAID SECOND CHAMBER; AND MEANS AFFIXED TO SAID ROD IN SAID SECOND CHAMBER CONSTRUCTED AND ARRANGED TO PERMIT ROD MOVEMENT AWAY
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |