US3200569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sorption gas and vapor trap apparatus
Assignee: Varian Medical Systems Inc
•
Filing: 1962-01-31
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Granted: 1965-08-17
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Expires: 1982-01-31
Abstract
No abstract record available.
Inventors
- 👤 William R Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:14
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D53/0407; B01D53/0431; B01D2259/00; B01D2259/40; B01D2259/40083; B01D2259/40088; B01D2259/40098; B01D53/0438; B01D53/0446
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
160 words
A VACUUM TRAP COMPRISING: A CYLINDRICAL CONTAINER MADE OF IMPERVIOUS MATERIAL HAVING A TOP WALL, A BOTTOM WALL AND A SIDE WALL, SAID CONTAINER HAVING GAS MOLECULE INLET AND OUTLET OPENINGS THEREIN; A HOLLOW, VERTICAL, CYLINDRICAL, HEAT CONDUCTIVE MEMBER HAVING A BOTTOM WALL SPACED ABOVE THE BOTTOM WALL OF SAID CONTAINER AND A SIDE WALL EXTENDING INTO SAID CONTAINER FROM THE TOP WALL OF SAID CONTAINER AND SPACED FROM THE SIDE WALL OF SAID CONTAINER; AN APERTURED CYLINDRICAL MEMBER OBSTRUCTING THE LINE OF SIGHT BETWEEN SAID INLET AND OUTLET OPENINGS VERTICALLY DISPOSED WITHIN SAID CONTAINER, SPACED FROM SAID CONTAINER SIDE WALL AND SURROUNDING SAID HEAT CONDUCTIVE MEMBER; SORBENT MATERIAL DISPOSED BETWEEN SAID HEAT CONDUCTIVE MEMBER AND SAID APERTURED CYLINDRICAL MEMBER; BAFFLE MEANS EXTENDING BETWEEN SAID APERTURED CYLINDRICAL MEMBER AND SAID CONTAINER INTERIOR SIDE WALL FOR INCREASING THE PROBABILITY OF COLLISION BETWEEN SAID GAS MOLECULES AND SAID SORBENT MATERIAL; AND A BODY OF COOLING LIQUID DISPOSED WITHIN SAID HEAT CONDUCTIVE MEMBER.
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |