Patent US3167678A successfully refreshed from Google Patents.
US3167678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Getter operating at various temperatures to occlude various gases
Assignee: General Electric Co
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Filing: 1961-06-19
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Granted: 1965-01-26
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Expires: 1981-06-19
Abstract
No abstract record available.
Inventors
- 👤 Richard W Griessel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:29
CPC Classifications
H; H01; H01J; H01J7/00; H01J7/14; H01J7/18; H01J7/183
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A GETTER DEVICE COMPRISING IN COMBINATION, A PLURALITY OF GETTER MEMBERS, AN INDEPENDENT HEATER ELEMENT FOR SAID GETTER MEMBERS, ONE OF SAID GETTER MEMBERS INTERPOSED BETWEEN SAID HEATER ELEMENT AND ANOTHER OF SAID GETTER MEMBERS IN HEAT SHIELDING RELATIONSHIP THERETO WHEREBY SAID ONE GETTER MEMBER WILL BE HEATED TO A HIGHER TEMPERATURE THAN SAID OTHER GETTER MEMBER TO GETTER A GAS NOT GETTERED BY SAID OTHER GETTER MEMBER AT A LOWER TEMPERATURE.
Claim 2
Dependent Claim
72 words
A GETTER DEVICE COMPRISING IN COMBINATION, A PLURALITY OF GETTER MEMBERS, AN INDEPENDENT HEATER ELEMENT FOR SAID GETTER MEMBERS, ONE OF SAID GETTER MEMBERS INTERPOSED BETWEEN SAID HEATER ELEMENT AND ANOTHER OF SAID GETTER MEMBERS IN HEAT SHIELDING RELATIONSHIP THERETO WHEREBY SAID ONE GETTER MEMBER WILL BE HEATED TO A HIGHER TEMPERATURE THAN SAID OTHER GETTER MEMBER TO GETTER A GAS NOT GETTERED BY SAID OTHER GETTER MEMBER AT A LOWER TEMPERATURE.
References Cited (Backward Citations)
US2203896A
Cited
US2469626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |