US3195355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for injecting small known volumes of liquid into a high vacuum system
Assignee: ConocoPhillips Co
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Filing: 1962-12-11
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Granted: 1965-07-20
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Expires: 1982-12-11
Abstract
No abstract record available.
Inventors
- 👤 Ernest W Boyer
- 👤 Ernest E Mckelvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:26
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/02; H01J49/04; H01J49/0431; H01J49/0495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A DEVICE FOR INJECTING A LIQUID INTO A HIGH VACUUM SYSTEM COMPRISING: (A) AN ELONGATED, VERTICALLY EXTENDING VESSELF (B) A PARTITION MEMBER POSITIONED INTERMEDIATE THE ENDS OF SAID VESSEL AND HAVING AN ORIFICE THERETHROUGH PLACING THE TWO CHAMBERS DEFINED IN SAID TUBULAR VESSEL BY SAID PARTITION MEMBER IN COMMUNICATION WITH EACH OTHER; (C) MEANS FOR HERMETICALLY SEALING THE OPEN UPPER END OF SAID ELONGATED, VERTICALLY EXTENDING VESSEL; (D) MEANS FOR EVACUATING THE PORTION OF SAID VESSEL ABOVE SAID PARTITION MEMBER WHEN THE OPEN UPPER END OF SAID VESSEL IS SEALED BY SAID SEALING MEANS; (E) VAPOR BARRIER MEANS ADJACENT THE LOWER END OF SAID TUBULAR, VERTICALLY EXTENDING VESSEL FOR PREVENTING VAPOR FROM PASSING OUT THE LOWER END OF SAID VESSEL WHILE PERMITTING LIQUID SO TO PASS; (F) A TUBULAR SIDE ARM EXTENDING FROM SAID TUBULAR VERTICALLY EXTENDING VESSEL BETWEEN SAID PARTITION AND SAID VAPOR BARRIER MEANS; AND (G) VALVE MEANS CONNECTED TO THE LOWER END OF SAID VERTICALLY EXTENDING VESSEL FOR CONNECTING THE LOWER END OF SAID VESSEL TO A SOURCE OF VACUUM WHEREBY THE PRESSURE MAY BE SUBSTANTIALLY EQUALIZED ON OPPOSITED SIDES OF SAID VAPOR BARRIER MEANS.
Claim 2
Independent Claim
188 words
A DEVICE FOR INJECTING A LIQUID INTO A HIGH VACUUM SYSTEM COMPRISING: (A) AN ELONGATED, VERTICALLY EXTENDING VESSELF (B) A PARTITION MEMBER POSITIONED INTERMEDIATE THE ENDS OF SAID VESSEL AND HAVING AN ORIFICE THERETHROUGH PLACING THE TWO CHAMBERS DEFINED IN SAID TUBULAR VESSEL BY SAID PARTITION MEMBER IN COMMUNICATION WITH EACH OTHER; (C) MEANS FOR HERMETICALLY SEALING THE OPEN UPPER END OF SAID ELONGATED, VERTICALLY EXTENDING VESSEL; (D) MEANS FOR EVACUATING THE PORTION OF SAID VESSEL ABOVE SAID PARTITION MEMBER WHEN THE OPEN UPPER END OF SAID VESSEL IS SEALED BY SAID SEALING MEANS; (E) VAPOR BARRIER MEANS ADJACENT THE LOWER END OF SAID TUBULAR, VERTICALLY EXTENDING VESSEL FOR PREVENTING VAPOR FROM PASSING OUT THE LOWER END OF SAID VESSEL WHILE PERMITTING LIQUID SO TO PASS; (F) A TUBULAR SIDE ARM EXTENDING FROM SAID TUBULAR VERTICALLY EXTENDING VESSEL BETWEEN SAID PARTITION AND SAID VAPOR BARRIER MEANS; AND (G) VALVE MEANS CONNECTED TO THE LOWER END OF SAID VERTICALLY EXTENDING VESSEL FOR CONNECTING THE LOWER END OF SAID VESSEL TO A SOURCE OF VACUUM WHEREBY THE PRESSURE MAY BE SUBSTANTIALLY EQUALIZED ON OPPOSITED SIDES OF SAID VAPOR BARRIER MEANS.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |