US3631374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matrix switch
Assignee: INFOLITE CORP
•
Filing: 1970-08-24
•
Granted: 1971-12-28
•
Expires: 1990-08-24
Abstract
Abstract A matrix switch contains an array of apertures intersected on two or more levels by aligned channels containing thin conducting strips backed by elastic strips, the insertion of a pin in an aperture contacting and flexing conducting strips on different levels and compressing elastic backing strips to maintain good electrical contact.
Inventors
- 👤 Joseph M Cartelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:40
CPC Classifications
H; H01; H01R; H01R31/00; H01R31/08; H01R9/00; H01R9/22; H01R9/28
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
21 words
The combination according to claim 1 wherein said contact strips are substantially the same height as the depth of said channels.
Claim 2
Dependent Claim
63 words
The combination according to claim 2 wherein said at least one panel comprises a least one deck panel having a front and a back surface each containing a level of said channels, a front cover on said deck panel, and a back cover on said deck panel, said apertures extending at least through said front cover and said at least one deck panel.
Claim 3
Dependent Claim
55 words
The combination according to claim 3 wherein said back cover and said deck panel contain contact holes, each contact hole intersecting one of said channels, and with the addition of contact pins in said cOntact holes through said rear cover into said back panel, each of said contact pins contacting one of said contact strips.
Claim 4
Dependent Claim
24 words
The combination according to claim 4 wherein said apertures in said front cover an in said deck panel are coaxial and the same size.
Claim 5
Dependent Claim
65 words
The combination according to claim 5 wherein said at least one deck panel contains intersecting channels, said channels in said level being intersected on each side of said apertures and contact holes by two bounding intersecting channels, said backing strips of elastic material each having ends bent past the ends of a contact strip to extend into an intersecting channel securing said contact strips longitudinally.
Claim 6
Dependent Claim
15 words
The combination according to claim 2 wherein said backing strips are substantially round in section.
References Cited (Backward Citations)
US3258730A
Cited
US1928345A
Cited
US2613287A
Cited
US3021498A
Cited
US3208029A
Cited
US3151923A
Cited
US3225322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |