US3097931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of joining graphitic surfaces
Assignee: The General Electric Company PLC
•
Filing: 1957-10-28
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Granted: 1963-07-16
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Expires: 1977-10-28
Abstract
No abstract record available.
Inventors
- 👤 Davidson Hugh Wilson
- 👤 Ryde John Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:45
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/622; C04B35/64; C04B35/645; C04B37/00; C04B37/003; C04B37/006; C04B2237/00; C04B2237/02; C04B2237/04; C04B2237/08; C04B2237/12; C04B2237/122; C04B2237/123; C04B2237/30; C04B2237/32; C04B2237/36; C04B2237/363; C04B2237/40; C04B2237/403; C04B2237/405; C04B2237/50; C04B2237/62; C04B2237/76; C04B2237/765; C04B2237/80; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/936; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12625; Y10T428/12771; Y10T428/12778; Y10T428/12861; Y10T428/12944; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A METHOD OF JOINING A GRAPHIC SURFACE TO A SURFACE OF A METAL SELECTED FROM THE CLASS CONSISTING OF NICKEL AND ZIRCONIUM, SAID METHOD COMPRISING, EXPOSING AND GRAPHITIC SURFACE TO AN ATMOSPHERE IN WHICH NICKEL CARBONYL IS SUSPENDED, HEATING SAID SURFACE TO CAUSE DECOMPOSITION OF SAID NICKEL CARBONYL TO TAKE PLACE AT THE SURFACE AND TO COAT SAID SURFACE WITH A THIN LAYER OF NICKEL, BRINGING SAID COATED SURFACE INTO CONTACT WITH SAID METALLIC SURFACE, URGING SAID SURFACES TOWARD EACH OTHER, AND WHILE URGING SAID SURFACES TOWARD EACH OTHER HEATING THEM TO AT LEAST A TEMPERATURE SUFFICIENT TO CAUSE THE NICKEL COATING TO MELT AND FLOW SO AS TO UNIT THE BUTTING GRAPHITIC SURFACE AND METALLIC SURFACE.
Claim 2
Dependent Claim
21 words
A COMPOSITE GRAPHITIC METALLIC BODY WHOSE GRAPHITIC AND METALLIC PARTS ARE UNITED BY THE METHOD AS SET FOTTH IN CLAIM 3.
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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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |