Patent US3302464A successfully refreshed from Google Patents.
US3302464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sterile high pressure ocean sampler
Assignee: Individual
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Filing: 1964-06-30
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Granted: 1967-02-07
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Expires: 1984-06-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Langguth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:23
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A STERILE HIGH PRESSURE OCEAN SAMPLER COMPRISING: AN OUTER HOLLOW CYLINDRICAL CASING HAVING A CLOSED UPPER END AND AN OPEN LOWER END; A DIAMETRICAL TRANSVERSE BULKHEAD DISPOSED IN SAID OUTER CASING, SAID BULKHEAD DIVIDING THE INTERIOR OF SAID OUTER HOLLOW CASING INTO AN UPPER CLOSING CHAMBER AND A LOWER CHAMBER; AN INNER HOLLOW CYLINDRICAL CASING HAVING AN OPEN UPPER END AND A CLOSED FLANGED LOWER END, SAID INNER CASING BEING ADAPTED TO FIT TELESCOPICALLY WITHIN SAID LOWER CHAMBER OF SAID OUTER CASING; AN INNER SAMPLING CHAMBER FORMED BETWEEN THE INTERIOR WALLS AND THE CLOSED FLANGED LOWER END OF SAID INNER CASING; MEANS FOR RECIPROCATING SAID INNER CASING WITH RESPECT TO SAID OUTER CASING; PORT MEANS FORMED IN THE LOWER END OF SAID INNER CASING FOR THE RECEPTION OF OCEAN SAMPLES INTO SAID SAMPLING CHAMBER; AND SEALING MEANS BETWEEN SAID OUTER AND INNER CASINGS FOR SEALING SAID INNER SAMPLING CHAMBER WHEN SAID INNER CASING IS FULLY TELESCOPICALLY INSERTED WITHIN SAID LOWER CHAMBER OF SAID OUTER CASING.
Claim 2
Dependent Claim
165 words
A STERILE HIGH PRESSURE OCEAN SAMPLER COMPRISING: AN OUTER HOLLOW CYLINDRICAL CASING HAVING A CLOSED UPPER END AND AN OPEN LOWER END; A DIAMETRICAL TRANSVERSE BULKHEAD DISPOSED IN SAID OUTER CASING, SAID BULKHEAD DIVIDING THE INTERIOR OF SAID OUTER HOLLOW CASING INTO AN UPPER CLOSING CHAMBER AND A LOWER CHAMBER; AN INNER HOLLOW CYLINDRICAL CASING HAVING AN OPEN UPPER END AND A CLOSED FLANGED LOWER END, SAID INNER CASING BEING ADAPTED TO FIT TELESCOPICALLY WITHIN SAID LOWER CHAMBER OF SAID OUTER CASING; AN INNER SAMPLING CHAMBER FORMED BETWEEN THE INTERIOR WALLS AND THE CLOSED FLANGED LOWER END OF SAID INNER CASING; MEANS FOR RECIPROCATING SAID INNER CASING WITH RESPECT TO SAID OUTER CASING; PORT MEANS FORMED IN THE LOWER END OF SAID INNER CASING FOR THE RECEPTION OF OCEAN SAMPLES INTO SAID SAMPLING CHAMBER; AND SEALING MEANS BETWEEN SAID OUTER AND INNER CASINGS FOR SEALING SAID INNER SAMPLING CHAMBER WHEN SAID INNER CASING IS FULLY TELESCOPICALLY INSERTED WITHIN SAID LOWER CHAMBER OF SAID OUTER CASING.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |