US3206327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphate impregnated graphite and method
Assignee: General Electric Co
•
Filing: 1962-08-28
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Granted: 1965-09-14
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Expires: 1982-08-28
Abstract
No abstract record available.
Inventors
- 👤 Russell J Diefendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:16
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C01; C01B; C01B32/00; C04B41/45; C04B41/50; C04B41/5076; C04B41/5092; C04B41/80; C04B41/81; C04B41/85; Y; Y10; Y10T; Y10T428/00; Y10T428/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A METHOD OF FORMING AN IMPREGNATED MEMBER WHICH COMPRISES IMMERISING AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF AMORPHOUS CARBON AND GRAPHITE IN AN ORGANIC PHOSPHATE, HEATING SAID PHOSPHATE TO ITS BOILING POINT, REFLUXING SAID PHOSPHATE OVER SAID MEMBER THEREBY WETTING SAID MEMBER, REMOVING THE EXCESS PHOSPHATE, AND HEATING SAID WETTED MEMBER IN AN INERT ATMOSPHERE TO DECOMPOSE SAID PHOSPHATE THEREBY FORMING AN IMPREGNATED MEMBER.
Claim 2
Independent Claim
67 words
A METHOD OF FORMING AN IMPREGNATED MEMBER WHICH COMPRISES IMMERISING AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF AMORPHOUS CARBON AND GRAPHITE IN AN ORGANIC PHOSPHATE, HEATING SAID PHOSPHATE TO ITS BOILING POINT, REFLUXING SAID PHOSPHATE OVER SAID MEMBER THEREBY WETTING SAID MEMBER, REMOVING THE EXCESS PHOSPHATE, AND HEATING SAID WETTED MEMBER IN AN INERT ATMOSPHERE TO DECOMPOSE SAID PHOSPHATE THEREBY FORMING AN IMPREGNATED MEMBER.
References Cited (Backward Citations)
US2143639A
Cited
US2330251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |