Patent US3222173A successfully refreshed from Google Patents.
US3222173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an electrical unit
Assignee: Vitramon Inc
•
Filing: 1961-05-15
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Granted: 1965-12-07
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Expires: 1981-05-15
Abstract
No abstract record available.
Inventors
- 👤 Jr William R Belko
- 👤 Roger C Vandermark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:31
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/02; H01; H01C; H01C17/00; H01C17/003; H01G; H01G13/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/4913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
THE METHOD OF MAKING AN ELECTRICAL UNIT COMPRISING THE STEPS OF PROVIDING A BASE MEMBER HAVING SPECIFIC ELECTRICAL PROPERTIES, COATING OPPOSITE SURFACES OF SAID BASE MEMBER WITH A RADIATION SENSITIVE MATERIAL ADAPTED TO HARDEN ON BEING EXPOSED TO LIGHT, SAID RADIATION SENSITIVE MATERIAL HAVINGGSUSPENDED THEREIN PARTICLES OF ELECTRICALLY CONDUCTIVE MATERIAL AND A FLUX FOR BONDING SAID PARTICLES TO SAID BASE MEMBER, SIMULTANEOUSLY CONTROLLABLY EXPOSING AT LEAST A PORTION OF EACH OF SAID COATED SURFACES TO RADIATION TO HARDEN THE COATING IN SAID PORTIONS IN PREDETERMINED PATTERNS, SAID PORTIONS BEING PREDETERMINATELY LOCATED RELATIVE TO ONE ANOTHER SO THAT SAID PATTERNS ARE SIMILARLY LOCATED, REMOVING THE UNEXPOSED COATING, AND THEN FIRING THE UNIT TO REMOVE THE HARDENED COATING TO LEAVE THE ELECTRICALLY CONDUCTIVE MATERIAL SUSPENDED THEREIN ON SAID SURFACES IN SAID PREDETERMINED PATTERNS AND BOND THE SAME THERETO.
Claim 2
Independent Claim
136 words
THE METHOD OF MAKING AN ELECTRICAL UNIT COMPRISING THE STEPS OF PROVIDING A BASE MEMBER HAVING SPECIFIC ELECTRICAL PROPERTIES, COATING OPPOSITE SURFACES OF SAID BASE MEMBER WITH A RADIATION SENSITIVE MATERIAL ADAPTED TO HARDEN ON BEING EXPOSED TO LIGHT, SAID RADIATION SENSITIVE MATERIAL HAVINGGSUSPENDED THEREIN PARTICLES OF ELECTRICALLY CONDUCTIVE MATERIAL AND A FLUX FOR BONDING SAID PARTICLES TO SAID BASE MEMBER, SIMULTANEOUSLY CONTROLLABLY EXPOSING AT LEAST A PORTION OF EACH OF SAID COATED SURFACES TO RADIATION TO HARDEN THE COATING IN SAID PORTIONS IN PREDETERMINED PATTERNS, SAID PORTIONS BEING PREDETERMINATELY LOCATED RELATIVE TO ONE ANOTHER SO THAT SAID PATTERNS ARE SIMILARLY LOCATED, REMOVING THE UNEXPOSED COATING, AND THEN FIRING THE UNIT TO REMOVE THE HARDENED COATING TO LEAVE THE ELECTRICALLY CONDUCTIVE MATERIAL SUSPENDED THEREIN ON SAID SURFACES IN SAID PREDETERMINED PATTERNS AND BOND THE SAME THERETO.
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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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |