US3347704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of metal-coating ceramic bodies
Assignee: Siemens and Halske AG
•
Filing: 1963-12-06
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Granted: 1967-10-17
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Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
- 👤 Meyer Andreas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:32
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B41/45; C04B41/50; C04B41/51; C04B41/5138; C04B41/5183; C04B41/52; C04B41/80; C04B41/81; C04B41/85; C04B41/88; C04B41/89; C04B2235/00; C04B2235/65; C04B2235/658; C04B2235/6581; C04B2237/00; C04B2237/02; C04B2237/04; C04B2237/09; C04B2237/12; C04B2237/122; C04B2237/123; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/343; C04B2237/50; C04B2237/52; C04B2237/525; C04B2237/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A METHOD OF ROMING UPON AN UNGLAZED CERAMIC BODY A SOLDERABLE METAL COATING FOR USE IN PRODUCING A VACUUM TIGHT METAL CERAMIC CONNECTION FOR ELECTRICAL DISCHARGE VESSELS AND THE LIKE, COMPRISING THE STEPS OF AP PLYING ON AN UNGLAZED CERAMIC BODY A METALIZING POWDER CONSISTING OF MOLYBDENUM POWDER MIXED WITH AT LEAST 20% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MANGANESE SILICATES AND IRON SILICATES, AND HEATING THE APPLIED METALIZED POWDER TO A TEMPERATURE BETWEEN 1250*C. TO 1350*C. IN A RELATIVELY WEAK OXIDIZING ATMOSPHERE.
Claim 2
Independent Claim
88 words
A METHOD OF ROMING UPON AN UNGLAZED CERAMIC BODY A SOLDERABLE METAL COATING FOR USE IN PRODUCING A VACUUM TIGHT METAL CERAMIC CONNECTION FOR ELECTRICAL DISCHARGE VESSELS AND THE LIKE, COMPRISING THE STEPS OF AP PLYING ON AN UNGLAZED CERAMIC BODY A METALIZING POWDER CONSISTING OF MOLYBDENUM POWDER MIXED WITH AT LEAST 20% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MANGANESE SILICATES AND IRON SILICATES, AND HEATING THE APPLIED METALIZED POWDER TO A TEMPERATURE BETWEEN 1250*C. TO 1350*C. IN A RELATIVELY WEAK OXIDIZING ATMOSPHERE.
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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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |