US3265519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article comprising several layers of pyrolytic graphite and substrate coated with said layers
Assignee: General Electric Co
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Filing: 1962-02-01
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Granted: 1966-08-09
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Expires: 1982-02-01
Abstract
No abstract record available.
Inventors
- 👤 Russell J Diefendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:31
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/80; C04B41/81; C04B41/85; C04B35/00; C04B35/515; C04B35/52; C04B35/522; C04B37/00; C04B37/003; C04B37/006; C04B41/009; C04B41/45; C04B41/50; C04B41/5001; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/30; C04B2237/32; C04B2237/36; C04B2237/363; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/24529
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A COMPOSITE ARTICLE COMPRISING A MEMBER, SAID MEMBER HAVING A PLURALITY OF DEPRESSIONS ON AT LEAST ONE SURFACE THEREOF, A PYROLYTIC GRAPHITE COATING ON SAID SURFACE, SAID COATING COMPRISING A FIRST PORTION ADJACENT SAID SURFACE, A SECOND PORTION ADJACENT SAID FIRST PORTION, AND SAID SECOND PORTION CHARACTERIZED BY HIGHER ANISOTROPY THAN SAID FIRST PORTION.
Claim 2
Dependent Claim
54 words
A COMPOSITE ARTICLE COMPRISING A MEMBER, SAID MEMBER HAVING A PLURALITY OF DEPRESSIONS ON AT LEAST ONE SURFACE THEREOF, A PYROLYTIC GRAPHITE COATING ON SAID SURFACE, SAID COATING COMPRISING A FIRST PORTION ADJACENT SAID SURFACE, A SECOND PORTION ADJACENT SAID FIRST PORTION, AND SAID SECOND PORTION CHARACTERIZED BY HIGHER ANISOTROPY THAN SAID FIRST PORTION.
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |