Patent US3241995A successfully refreshed from Google Patents.
US3241995A
Expired / Lapsed
US
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Metallizing sintered alumina ceramic bodies
Assignee: Telefunken AG
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Filing: 1962-07-16
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Granted: 1966-03-22
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Expires: 1982-07-16
Abstract
No abstract record available.
Inventors
- 👤 Hans Pulfrich
- 👤 Hans Stopora
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:51
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; C04B2235/02; C04B2235/50; C04B2235/54; C04B2235/5418; C04B2235/5436; C04B2235/5445; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/122; C04B2237/126; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/343; C04B2237/40; C04B2237/50; C04B2237/59; C04B2237/592; C04B2237/64; C04B2237/70; C04B2237/708; C04B2237/72; C04B2237/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A METHO FOR THE MANUFACTURE OF A WEE ADHERING COATING ON A SUBSTANTIALLY PURE SINTERED ALUMINA CERAMIC BODY, COMPRISING THE STEP OF SINTERING A LAYER OF A MIXTURE CONTAINING A HIGHLY MELTING METAL POWDER AND AN ADDED CERAMIC POWDER ONTO SAID BODY, SAID ADDED CERAMIC POWDER CONSISTING OF ALUMINA CERAMIC POWDER HAVING A PARICLE SIZE SMALLER THAN 5U.
Claim 2
Dependent Claim
58 words
A METHO FOR THE MANUFACTURE OF A WEE ADHERING COATING ON A SUBSTANTIALLY PURE SINTERED ALUMINA CERAMIC BODY, COMPRISING THE STEP OF SINTERING A LAYER OF A MIXTURE CONTAINING A HIGHLY MELTING METAL POWDER AND AN ADDED CERAMIC POWDER ONTO SAID BODY, SAID ADDED CERAMIC POWDER CONSISTING OF ALUMINA CERAMIC POWDER HAVING A PARICLE SIZE SMALLER THAN 5U.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |