Patent US3957055A successfully refreshed from Google Patents.
US3122896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump heat radiation shield
Assignee: Cryovac LLC
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Filing: 1962-10-31
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Granted: 1964-03-03
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Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Thomas N Hickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:27
CPC Classifications
F; F04; F04F; F04F9/00; Y; Y10; Y10S; Y10S55/00; Y10S55/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
AN IMPROVED SPACE SIMULATION CHAMBER COMPRISING, IN COMBINATION, AN OUTER SEALED CHAMBER; REFRIGERATED WALL MEANS FORMING A THERMAL SHROUD WITHIN SAID SEALED CHAMBER FOR ENCLOSING A TEST SPECIMEN AND INCLUDING AN OPEN WALL PORTION; A CRYOGENICALLY COOLED SHROUD WALL BAFFLE MEANS FOR SAID OPEN WALL PORTION; A DIFFUSION PUMP INCLUDING AN INLET OPENING; CONDUIT MEANS CONNECTING SAID OUTER CHAMBER WITH SAID INLET OPENING OF SAID DIFFUSION PUMP; A BACK-STREAM PREVENTION BAFFLE MEANS BETWEEN SAID SHROUD WALL BAFFLE MEANS AND SAID PUMP INLET OPENING; AND A THIRD BAFFLE MEANS BETWEEN SAID BACK-STREAM PREVENTION BAFFLE MEANS AND SAID PUMP INLET OPENING.
Claim 2
Dependent Claim
99 words
AN IMPROVED SPACE SIMULATION CHAMBER COMPRISING, IN COMBINATION, AN OUTER SEALED CHAMBER; REFRIGERATED WALL MEANS FORMING A THERMAL SHROUD WITHIN SAID SEALED CHAMBER FOR ENCLOSING A TEST SPECIMEN AND INCLUDING AN OPEN WALL PORTION; A CRYOGENICALLY COOLED SHROUD WALL BAFFLE MEANS FOR SAID OPEN WALL PORTION; A DIFFUSION PUMP INCLUDING AN INLET OPENING; CONDUIT MEANS CONNECTING SAID OUTER CHAMBER WITH SAID INLET OPENING OF SAID DIFFUSION PUMP; A BACK-STREAM PREVENTION BAFFLE MEANS BETWEEN SAID SHROUD WALL BAFFLE MEANS AND SAID PUMP INLET OPENING; AND A THIRD BAFFLE MEANS BETWEEN SAID BACK-STREAM PREVENTION BAFFLE MEANS AND SAID PUMP INLET OPENING.
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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |