US3607368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating substrates by vapor deposition
Assignee: US Philips Corp
•
Filing: 1968-10-08
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Granted: 1971-09-21
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Expires: 1988-10-08
Abstract
Abstract A method of coating substrates by vapor deposition. The material to be deposited is taken up in a lacelike body built up from graphite yarn heated to the vaporization temperature by the passage of electrical current.
Inventors
- 👤 Johannes Jacobus Asueru Amstel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:04
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/26
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
23 words
A method as claimed in claim 1, wherein the elementary strands of the graphite yarn have a thickness of under 20 Mu .
Claim 2
Dependent Claim
31 words
A method as claimed in claim 1, characterized in that the vaporiZation process is carried out by means of a porous lacelike vaporizer element which is provided with a coaxial cavity.
Claim 3
Dependent Claim
19 words
A method as claimed in claim 1, characterized in that the substance to be vapor-deposited is replenished during vaporization.
Claim 4
Dependent Claim
21 words
A method as claimed in claim 1, characterized in that the graphite is converted into a metal carbide at least superficially.
Claim 5
Dependent Claim
17 words
A method as claimed in claim 5, characterized in that the graphite is converted into zirconium carbide.
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |