US4417105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Membrane switch assembly with modular switch portions
Assignee: BROCKSON INVESTMENT Co
•
Filing: 1981-10-26
•
Granted: 1983-11-22
•
Expires: 2001-10-26
Abstract
Abstract Custom membrane switch assemblies comprising a plurality of switch modules of different sizes.
Inventors
- 👤 Nicholas W. Glaser, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:07
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/70; H01H13/702; H01H2229/00; H01H2229/022
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
99 words
A membrane switch assembly comprising a plurality of modular switch portions, one said modular switch portion including a plurality of switching zones arranged in at least two columns to form rows and columns, the center-to-center distance between adjacent said switching zones in a row and in a column being X, said modular portion having an edge spaced from adjacent said zones by a distance of X/2, another said modular switch portion having at least one column of switching zones spaced from adjacent zones by X, and having an edge spaced from adjacent said zones by a distance of X/2.
Claim 2
Dependent Claim
99 words
A membrane switch assembly comprising a plurality of modular switch portions, one said modular switch portion including a plurality of switching zones arranged in at least two columns to form rows and columns, the center-to-center distance between adjacent said switching zones in a row and in a column being X, said modular portion having an edge spaced from adjacent said zones by a distance of X/2, another said modular switch portion having at least one column of switching zones spaced from adjacent zones by X, and having an edge spaced from adjacent said zones by a distance of X/2.
Claim 3
Dependent Claim
19 words
The assembly of claim 1 in which said modular switch portions include relative locating means at an edge thereof.
Claim 4
Dependent Claim
16 words
The assembly of claim 1 in which said relative locating means are mating grooves and notches.
Claim 5
Dependent Claim
14 words
The assembly of claim 1 in which said relative locating means are optical indicia.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-11-21 | 1987-05-23 | 1987-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-21 | 1991-05-23 | 1991-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-21 | 1995-05-23 | 1995-11-22 | $7700.00 | Window Closed / Lapsed |