US3239130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas pumping methods and apparatus
Assignee: Consolidated Vacuum Corp
•
Filing: 1963-07-10
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Granted: 1966-03-08
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Expires: 1983-07-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles H Naundorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:37
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/34; H05H1/3484
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
APPARATUS FOR EVALUATING GAS MOLECULES FROM A CHAMBER, COMPRISING A NOZZLE HAVING A THROAT REGION CONNECTED TO SAID CHAMBER, AND INCLUDING A DIVERGENT ELECTRICALLY CONDUCTIVE NOZZLE PORTION CONNECTED TO THE THROAT REGION, AND MEANS FOR ESTABLISHING A CONTINUOUS ELECTRIC ARC PLASMA IN THE THROAT REGION TO DRAW GAS MOLECULES FROM SAID CHAMBER THROUGH THE THROAT REGION AND EXPEL THE GAS MOLECULES THROUGH THE DIVERGENT PORTION.
Claim 2
Dependent Claim
65 words
APPARATUS FOR EVALUATING GAS MOLECULES FROM A CHAMBER, COMPRISING A NOZZLE HAVING A THROAT REGION CONNECTED TO SAID CHAMBER, AND INCLUDING A DIVERGENT ELECTRICALLY CONDUCTIVE NOZZLE PORTION CONNECTED TO THE THROAT REGION, AND MEANS FOR ESTABLISHING A CONTINUOUS ELECTRIC ARC PLASMA IN THE THROAT REGION TO DRAW GAS MOLECULES FROM SAID CHAMBER THROUGH THE THROAT REGION AND EXPEL THE GAS MOLECULES THROUGH THE DIVERGENT PORTION.
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |