US2778485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum tube getter body material
Assignee: Individual
•
Filing: 1953-04-27
•
Granted: 1957-01-22
•
Expires: 1973-04-27
Abstract
No abstract record available.
Inventors
- 👤 Gabbrielli Ernesto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:18
CPC Classifications
H; H01; H01J; H01J7/00; H01J7/14; H01J7/18; H01J7/186; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A VACUUM TUBE GETTER BODY COMPRISING A STRIP OF SUPPORTING MATERIAL, AT LEAST ONE LAYER OF GETTER MATERIAL CONDENSED ON SAID STRIP FROM THE VAPOR STATE, AND A THIN LAYER OF PROTECTIVE METAL CONDENSE ONTO THE EXPOSED SURFACE OF SAID GETTER MATERIAL FROM THE VAPOR STATE.
Claim 2
Dependent Claim
46 words
A VACUUM TUBE GETTER BODY COMPRISING A STRIP OF SUPPORTING MATERIAL, AT LEAST ONE LAYER OF GETTER MATERIAL CONDENSED ON SAID STRIP FROM THE VAPOR STATE, AND A THIN LAYER OF PROTECTIVE METAL CONDENSE ONTO THE EXPOSED SURFACE OF SAID GETTER MATERIAL FROM THE VAPOR STATE.
References Cited (Backward Citations)
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Cited
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US2153363A
Cited
US2180714A
Cited
US2329317A
Cited
US2522272A
Cited
US2505370A
Cited
US2658006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |