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US3323924A
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Low dielectric loss metallizing paint composition having a reduced sintering temperature
Assignee: Varian Medical Systems Inc
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Filing: 1964-03-27
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Granted: 1967-06-06
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Expires: 1984-03-27
Abstract
No abstract record available.
Inventors
- 👤 Russell C Mcrae
- 👤 Reed Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:25
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/51; C04B41/5133; C04B41/52; C04B41/80; C04B41/81; C04B41/85; C04B41/88; H; H05; H05K; H05K1/00; H05K1/02; H05K1/09; H05K1/092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A LOW DIELECTRIC LOSS METALIZING PAINT COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 80% BY WEIGHT OF A REFRACTORY METAL SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM, TUNGSTEN, RHENIUM, PLATINUM AND COLUMBIUM, AND SUCCESSIVELY SMALLER PARTS BY WEIGHT RESPECTIVELY OF SILICA AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF BARIUM CARBONATE, AN OXIDE OF BARIUM, STRONTIUM CARBONATE AND AN OXIDE OF STRONTIUM.
Claim 2
Dependent Claim
61 words
A LOW DIELECTRIC LOSS METALIZING PAINT COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 80% BY WEIGHT OF A REFRACTORY METAL SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM, TUNGSTEN, RHENIUM, PLATINUM AND COLUMBIUM, AND SUCCESSIVELY SMALLER PARTS BY WEIGHT RESPECTIVELY OF SILICA AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF BARIUM CARBONATE, AN OXIDE OF BARIUM, STRONTIUM CARBONATE AND AN OXIDE OF STRONTIUM.
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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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |