Patent US3175373A successfully refreshed from Google Patents.
US3175373A
Expired / Lapsed
US
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Combination trap and baffle for high vacuum systems
Assignee: Aero Vac Corp
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Filing: 1963-12-13
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Granted: 1965-03-30
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Expires: 1983-12-13
Abstract
No abstract record available.
Inventors
- 👤 David H Holkeboer
- 👤 Pagano Frank
- 👤 Donald J Santeler
- 👤 Walter F Venneman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:58
CPC Classifications
F; F04; F04F; F04F9/00; B; B01; B01D; B01D8/00; Y; Y10; Y10S; Y10S165/00; Y10S165/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
FOR USE IN A HIGH VACUUM SYSTEM, A COMBINATION ITRAP OF BAFFLE APPARATUS COMPRISING A CASING HAVING A FIRST OPENING ADAPTED FOR ATTACHMENT TO A VACCUUM CHAMBER AND A SECOND OPENING ADAPTED FOR ATTACHMENT TO AN EVACUATING MEANS, A BAFFLE HAVING FIRST REFRIGERATED TRAPPING MEANS MOUNTED IN SAID CASING TO BLOCK THE LINE OF SIGHT BETWEEN SAID OPENINGS, AND SECOND REGRIGERATRD TRAPPING MEANS MOUNTED IN SAID CASING, SAID SECOND TRAPPING MEANS HAVING MAJOR DIMENSONS EXTENDING ALONG THE DIRECTION OF FLOW THROUGH SAID OPENINGS, ANY POINT ON SAID SECOND TRAPPING MEANS HAVING LINE OF SIGHT CON TACT WITH NO MORE THAN ONE OF SAID OPENINGS.
Claim 2
Dependent Claim
104 words
FOR USE IN A HIGH VACUUM SYSTEM, A COMBINATION ITRAP OF BAFFLE APPARATUS COMPRISING A CASING HAVING A FIRST OPENING ADAPTED FOR ATTACHMENT TO A VACCUUM CHAMBER AND A SECOND OPENING ADAPTED FOR ATTACHMENT TO AN EVACUATING MEANS, A BAFFLE HAVING FIRST REFRIGERATED TRAPPING MEANS MOUNTED IN SAID CASING TO BLOCK THE LINE OF SIGHT BETWEEN SAID OPENINGS, AND SECOND REGRIGERATRD TRAPPING MEANS MOUNTED IN SAID CASING, SAID SECOND TRAPPING MEANS HAVING MAJOR DIMENSONS EXTENDING ALONG THE DIRECTION OF FLOW THROUGH SAID OPENINGS, ANY POINT ON SAID SECOND TRAPPING MEANS HAVING LINE OF SIGHT CON TACT WITH NO MORE THAN ONE OF SAID OPENINGS.
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |