Patent US3216207A successfully refreshed from Google Patents.
US3216207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold trap assembly for high vacuum systems
Assignee: ConocoPhillips Co
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Filing: 1962-10-15
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Granted: 1965-11-09
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 Ernest W Boyer
- 👤 Clarence C Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:06
CPC Classifications
F; F04; F04B; F04B37/00; F04B37/06; F04B37/08; G; G01; G01N; G01N25/00; G01N25/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A COLD TRAP ASSEMBLY FOR A VACUUM LINE EXTENDING BETWEEN A HIGH VACUUM DISTILLATION DEVICE AND A VACUUM SOURCE, THE ASSEMBLY COMPRISING: A HORIZONTALLY DISPOSED BONNET MEMBER HAVING A VERTICAL PASSAGEWAY EXTENDING THERETHROUGH AND A DOWNWARDLY FACING ANNULAR SEATING FACE DISPOSED AROUND THE PASSAGEWAY; A GLASS INLET TUBE FOR CONNNECTION TO THE VACUUM LINE EXTENDING TO THE VACUUM COLUMN, THE INLET TUBE EXTENDING DOWNWARDLY THROUGH THE PASSAGEWAY TO A POINT SUBSTANTIALLY BELOW THE BONNET MEMBER; SEALING MEANS FOR PROVIDING A VACUUM-TIGHT SEAL BETWEEN THE GLASS INLET TUBE AND THE BONNET; A GLASS CONDENSATE RECEIVING JAR DISPOSED AROUND THE LOWER END OF THE GLASS INLET TUBE AND HAVING AN UPPER RIM SIZED TO MATE WITH THE ANNULAR SEATING FACE; ANNULAR SEALING MEANS FOR PROVIDING A VACUUM-TIGHT SEAL BETWEEN THE UPPER RIM OF THE RECEIVING JAR AND THE ANNULAR SEATING FACE; AND, VAPOR OUTLET MEANS IN THE BONNET MEMBER FOR CONNECTION TO THE VACUUM LINE EXTENDING TO THE VACUUM PUMP, WHEREBY VAPORS FROM THE VACUUM COLUMN WILL PASS
Claim 2
Dependent Claim
166 words
A COLD TRAP ASSEMBLY FOR A VACUUM LINE EXTENDING BETWEEN A HIGH VACUUM DISTILLATION DEVICE AND A VACUUM SOURCE, THE ASSEMBLY COMPRISING: A HORIZONTALLY DISPOSED BONNET MEMBER HAVING A VERTICAL PASSAGEWAY EXTENDING THERETHROUGH AND A DOWNWARDLY FACING ANNULAR SEATING FACE DISPOSED AROUND THE PASSAGEWAY; A GLASS INLET TUBE FOR CONNNECTION TO THE VACUUM LINE EXTENDING TO THE VACUUM COLUMN, THE INLET TUBE EXTENDING DOWNWARDLY THROUGH THE PASSAGEWAY TO A POINT SUBSTANTIALLY BELOW THE BONNET MEMBER; SEALING MEANS FOR PROVIDING A VACUUM-TIGHT SEAL BETWEEN THE GLASS INLET TUBE AND THE BONNET; A GLASS CONDENSATE RECEIVING JAR DISPOSED AROUND THE LOWER END OF THE GLASS INLET TUBE AND HAVING AN UPPER RIM SIZED TO MATE WITH THE ANNULAR SEATING FACE; ANNULAR SEALING MEANS FOR PROVIDING A VACUUM-TIGHT SEAL BETWEEN THE UPPER RIM OF THE RECEIVING JAR AND THE ANNULAR SEATING FACE; AND, VAPOR OUTLET MEANS IN THE BONNET MEMBER FOR CONNECTION TO THE VACUUM LINE EXTENDING TO THE VACUUM PUMP, WHEREBY VAPORS FROM THE VACUUM COLUMN WILL PASS
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |