US3229527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid sampling apparatus
Assignee: Individual
•
Filing: 1963-03-28
•
Granted: 1966-01-18
•
Expires: 1983-03-28
Abstract
No abstract record available.
Inventors
- 👤 Johnson Julius Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:23
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/20; G01N1/2035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A LIQUID SAMPLING DEVICE COMPRISING A CONDUIT, A BODY PORTION ON ONE SIDE OF SAID CONDUIT AND EXTENDING OUTWARDLY THERERFROM, SAID BODY PORTION HAVING AN AXIAL PASSAGE EXTENDING RADIALLY WITH REFERENCE TO SAID CONDUIT, ONE END OF SAID AXIAL PASSAGE AND SAID CONDUIT BEING CONNECTED BY A SMALL PASSAGE THEREBETWEEN, A CHECK VALVE AXIALLY SLIDABLE IN SAID PASSAGE, A VALVE SEAT IN SAID AXIAL PASSAGE CONTIGUOUS TO SAID SMALL PASSAGE, A HEAD ON SAID CHECK VALVE WITH A SURFACE MATED WITH AND ADAPTED TO SEAT AGAINST SAID VALVE SEAT, MEANS IN SAID BODY PORTION AT THE OTHER END OF SAID AXIAL PASSAGE FORMING A DIAPHRAGM CHAMBER COMMUNICATING WITH SAID OTHER END, A FLEXIBLE DIAPHRAGM EXTENDING ACROSS SAID CHAMBER WITH THE INNER SIDE OF SAID DIAPHRAGM FORMING A MOVABLE WALL OF SAID CHAMBER, SAID BODY PORTION HAVING A LIQUID DISCHARGE
Claim 2
Dependent Claim
139 words
A LIQUID SAMPLING DEVICE COMPRISING A CONDUIT, A BODY PORTION ON ONE SIDE OF SAID CONDUIT AND EXTENDING OUTWARDLY THERERFROM, SAID BODY PORTION HAVING AN AXIAL PASSAGE EXTENDING RADIALLY WITH REFERENCE TO SAID CONDUIT, ONE END OF SAID AXIAL PASSAGE AND SAID CONDUIT BEING CONNECTED BY A SMALL PASSAGE THEREBETWEEN, A CHECK VALVE AXIALLY SLIDABLE IN SAID PASSAGE, A VALVE SEAT IN SAID AXIAL PASSAGE CONTIGUOUS TO SAID SMALL PASSAGE, A HEAD ON SAID CHECK VALVE WITH A SURFACE MATED WITH AND ADAPTED TO SEAT AGAINST SAID VALVE SEAT, MEANS IN SAID BODY PORTION AT THE OTHER END OF SAID AXIAL PASSAGE FORMING A DIAPHRAGM CHAMBER COMMUNICATING WITH SAID OTHER END, A FLEXIBLE DIAPHRAGM EXTENDING ACROSS SAID CHAMBER WITH THE INNER SIDE OF SAID DIAPHRAGM FORMING A MOVABLE WALL OF SAID CHAMBER, SAID BODY PORTION HAVING A LIQUID DISCHARGE
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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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |