Patent US3226802A successfully refreshed from Google Patents.
US3226802A
Expired / Lapsed
US
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Method of making a matrix board system
Assignee: ACF Industries Inc
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Filing: 1959-10-08
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Granted: 1966-01-04
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Expires: 1979-10-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Francis L Goodwin
- 👤 William T Howarth
- 👤 Nowick William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:02
CPC Classifications
H; H01; H01R; H01R29/00; G; G11; G11C; G11C17/00; H05; H05K; H05K1/00; H05K1/02; H05K1/0286; H05K1/0287; H05K1/0289; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069; Y10T29/49117; Y10T29/49124; Y10T29/49155; Y10T29/49156; Y10T29/49165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
THE METHOD OF PROCESSING A CROSSBAR MATRIX BOARD TO PROVIDE A PLURALITY OF CONNECTORS BETWEEN A FIRST SYSTEM OF SPACED PARALLEL CONDUCTORS ON ONE FACE OF A BOARD OF INSULATING MATERIAL AND A SECOND SYSTEM OF SPACED PARALLEL CONDUCTORS ON THE OTHER FACE OF SAID BOARD, THE PARALLEL CONDUCTORS OF SAID FIRST SYSTEM EXTENDING ACROSS THE PARALLEL CONDUCTORS OF SAID SECOND SYSTEM, SAID METHOD COMPRISING THE STEPS OF, FORMING A PLURALITY OF APERTURES AT THE CROSS-OVERS OF SAID CONDUCTORS EACH EXTENDING THROUGH SAID MATRIX BOARD AND SAID CONDUCTORS, SAID APERTURES BEING APPRECIABLY NARROWER THAN THE WIDTH OF THE CONDUCTORS, FORMING A METALLIC COATING IN EACH APERTURE TO PROVIDE A CONDUCTING PATH THROUGH EACH ONE OF SAID APERTURES CONNECTING RESPECTIVE OVERLYING PORTIONS OF SAID
Claim 2
Independent Claim
123 words
THE METHOD OF PROCESSING A CROSSBAR MATRIX BOARD TO PROVIDE A PLURALITY OF CONNECTORS BETWEEN A FIRST SYSTEM OF SPACED PARALLEL CONDUCTORS ON ONE FACE OF A BOARD OF INSULATING MATERIAL AND A SECOND SYSTEM OF SPACED PARALLEL CONDUCTORS ON THE OTHER FACE OF SAID BOARD, THE PARALLEL CONDUCTORS OF SAID FIRST SYSTEM EXTENDING ACROSS THE PARALLEL CONDUCTORS OF SAID SECOND SYSTEM, SAID METHOD COMPRISING THE STEPS OF, FORMING A PLURALITY OF APERTURES AT THE CROSS-OVERS OF SAID CONDUCTORS EACH EXTENDING THROUGH SAID MATRIX BOARD AND SAID CONDUCTORS, SAID APERTURES BEING APPRECIABLY NARROWER THAN THE WIDTH OF THE CONDUCTORS, FORMING A METALLIC COATING IN EACH APERTURE TO PROVIDE A CONDUCTING PATH THROUGH EACH ONE OF SAID APERTURES CONNECTING RESPECTIVE OVERLYING PORTIONS OF SAID
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |