US3102633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Getter structure
Assignee: US Philips Corp
•
Filing: 1959-11-27
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Granted: 1963-09-03
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Expires: 1979-11-27
Abstract
No abstract record available.
Inventors
- 👤 Baronetzky Egon Otto Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:08
CPC Classifications
H; H01; H01J; H01J7/00; H01J7/14; H01J7/18; H01J7/186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A GETTER STRUCTURE ADAPTED TO BE SEALED WITHIN AN EVACUATED ENVELOPE COMPRISING A CONTAINER HAVING GAS IMPERMEABLE SIDE AND BOTTOM WALL PORTIONS AND A GAS PERMEABLE COVER, AND A GETTER COMPOSITION WITHIN SAID CONTAINER CONSISTING OF A LAYER OF PURE GRAPHITE, A LAYER OF ALKALI METAL COMBINED WITH GRAPHITE, AND A LAYER WHICH IS THE RESIDUE OF A REACTION MIXTURE PRODUCING THE ALKALI METAL, IN THAT ORDER FROM THE COVER DOWNWARD.
Claim 2
Dependent Claim
71 words
A GETTER STRUCTURE ADAPTED TO BE SEALED WITHIN AN EVACUATED ENVELOPE COMPRISING A CONTAINER HAVING GAS IMPERMEABLE SIDE AND BOTTOM WALL PORTIONS AND A GAS PERMEABLE COVER, AND A GETTER COMPOSITION WITHIN SAID CONTAINER CONSISTING OF A LAYER OF PURE GRAPHITE, A LAYER OF ALKALI METAL COMBINED WITH GRAPHITE, AND A LAYER WHICH IS THE RESIDUE OF A REACTION MIXTURE PRODUCING THE ALKALI METAL, IN THAT ORDER FROM THE COVER DOWNWARD.
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |