US3073357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Penetrometer and filling device therefor for porosimeters
Assignee: AMERICAN INSTR CO Inc
•
Filing: 1958-05-12
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Granted: 1963-01-15
•
Expires: 1978-05-12
Abstract
No abstract record available.
Inventors
- 👤 Hampton William Christopher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:00
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/08; G01N15/088; G01N15/0886
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN A POROSIMETER, A PENETROMETER FILLING DEVICE COMPRISING AN ELONGATED CHAMBER ADAPTED TO RECEIVE A PENETROMETER IN AN UPRIGHT POSITION THEREIN, A FIRST CONDUIT ELEMENT COMMUNICATIVELY CONNECTED TO SAID CHAMBER AND ADAPTED TO BE CONNECTED TO A VACUUM PUMP, A SECOND CONDUIT ELEMENT COMMUNICATIVELY CONNECTED TO SAID CHAMBER AND ADAPTED TO BE IMMERSED IN A QUANTITY OF FILLING LIQUID, AIR VENT CONDUIT MEANS, VALVE MEANS INTERCONNECTING SAID SECOND CONDUIT ELEMENT, SAID AIR VENT CONDUIT MEANS AND SAID CHAMBER AND BEING FORMED AND ARRANGED TO SELECTIVELY CONTROL COMMUNICATION BETWEEN SAID AIR VENT CONDUIT MEANS AND SAID CHAMBER AND BETWEEN SAID SECOND CONDUIT ELEMENT AND SAID CHAMBER, A CONVERGENT END WALL PORTION IN SAID CHAMBER SUPPORTINGLY ENGAGEABLE WITH THE OPEN END OF A PENETROMETER DISPOSED IN UPRIGHT POSITION IN THE CHAMBER, A RESERVOIR BULB SUBJACENT SAID CONVERGENT END WALL PORTION, CONDUIT MEANS
Claim 2
Dependent Claim
140 words
IN A POROSIMETER, A PENETROMETER FILLING DEVICE COMPRISING AN ELONGATED CHAMBER ADAPTED TO RECEIVE A PENETROMETER IN AN UPRIGHT POSITION THEREIN, A FIRST CONDUIT ELEMENT COMMUNICATIVELY CONNECTED TO SAID CHAMBER AND ADAPTED TO BE CONNECTED TO A VACUUM PUMP, A SECOND CONDUIT ELEMENT COMMUNICATIVELY CONNECTED TO SAID CHAMBER AND ADAPTED TO BE IMMERSED IN A QUANTITY OF FILLING LIQUID, AIR VENT CONDUIT MEANS, VALVE MEANS INTERCONNECTING SAID SECOND CONDUIT ELEMENT, SAID AIR VENT CONDUIT MEANS AND SAID CHAMBER AND BEING FORMED AND ARRANGED TO SELECTIVELY CONTROL COMMUNICATION BETWEEN SAID AIR VENT CONDUIT MEANS AND SAID CHAMBER AND BETWEEN SAID SECOND CONDUIT ELEMENT AND SAID CHAMBER, A CONVERGENT END WALL PORTION IN SAID CHAMBER SUPPORTINGLY ENGAGEABLE WITH THE OPEN END OF A PENETROMETER DISPOSED IN UPRIGHT POSITION IN THE CHAMBER, A RESERVOIR BULB SUBJACENT SAID CONVERGENT END WALL PORTION, CONDUIT MEANS
References Cited (Backward Citations)
US791480A
Cited
US2158102A
Cited
US2369591A
Cited
US2527849A
Cited
US2495905A
Cited
US2641924A
Cited
US2696937A
Cited
US2676485A
Cited
US2886964A
Cited
US2862307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |