US2823147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing electrical conducting elements
Assignee: Individual
•
Filing: 1953-12-07
•
Granted: 1958-02-11
•
Expires: 1973-12-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard H Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:14
CPC Classifications
H; H01; H01R; H01R43/00; H01R43/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A METHOD OF MAKING ELECTRICAL CONDUCTING ELEMENTS COMRISING FORMING A POROUS BLOCK OF CARBOBACEOUS MATERIAL, SUBMERGING THE BLOCK IN AN AQUEOUS SOLUTION OF ETHYL ALCOHOL CONTAINING A SUSPENSION OF COLLOIDAL MOLYBDENUM DISULPHIDE IN A CLOSED VESSEL UNDER SUBATMOSPHERIC PRESSURE, INCREASING THE PRESSURE IN THE VESSEL TO FORCE THE DISPERSION INTO THE PORES OF THE BLOCK, RELEASING THE PRESSURE AND THEN EVAPORATING THE SUSPENSION MEDIUM.
Claim 2
Independent Claim
64 words
A METHOD OF MAKING ELECTRICAL CONDUCTING ELEMENTS COMRISING FORMING A POROUS BLOCK OF CARBOBACEOUS MATERIAL, SUBMERGING THE BLOCK IN AN AQUEOUS SOLUTION OF ETHYL ALCOHOL CONTAINING A SUSPENSION OF COLLOIDAL MOLYBDENUM DISULPHIDE IN A CLOSED VESSEL UNDER SUBATMOSPHERIC PRESSURE, INCREASING THE PRESSURE IN THE VESSEL TO FORCE THE DISPERSION INTO THE PORES OF THE BLOCK, RELEASING THE PRESSURE AND THEN EVAPORATING THE SUSPENSION MEDIUM.
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Cited
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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) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |