US3259806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Translating keyboard for data handling systems
Assignee: SENSING DEVICES Inc
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Filing: 1963-10-21
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Granted: 1966-07-05
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Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 Spencer D Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:22
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A KEYBOARD AND CIRCUIT ASSEMBLY, COMPRISING A PAIR OF MOUNTING PLATES AND A PLURALITY OF CHANNEL MEMBERS EXTENDING BETWEEN SAID MOUNTING PLATES, EACH CHANNEL MEMBER HAVING A PAIR OF LEGS AND A WEB JOINING SUCH LEGS, AND SAID CHANNEL MEMBERS BEING ORIENTED SUCH THAT THE WEBS THEREOF EXTEND NORMAL TO SAID MOUNTING PLATES AND IN SPACED, PARALLEL RELATION TO EACH OTHER, ONE LEG OF EACH CHANNEL MEMBER BEING SECURED TO ONE MOUNTING PLATE AND THE OTHER LEG OF EACH CHANNEL BEING SECURED TO THE OTHER MOUNTING PLATE, SAID MOUNTING PLATES HAVING A PLURALITY OF ROWS OF ALIGNED OPENINGS THEREIN WITH SUCH ROWS CORRESPONDING IN NUMBER TO AND BEING ARRANGED PARALLEL TO THE DIRECTION OF SAID WEBS, A KEY STEM RECIPROCALLY RECEIVED IN EACH PAIR OF SAID ALIGNED OPENINGS, A CIRCUIT BOARD RELEASABLY SECURED TO THE INNER FACE OF EACH WEB, AND EACH CIRCUIT BOARD HAVING A PLURALITY OF SWITCH MEMBERS THEREON, ONE OPPOSITE EACH KEY STEM AND OPERABLE IN RESPONSE TO RECIPROCATION OF THE ASSOCIATED KEY STEM, AND MEANS ON SAID CHANNEL MEMBERS FOR GUIDING EACH CIRCUIT BOARD FOR WITHDRAWAL AND REPLACEMENT ENDWISE OF AN ASSOCIATED CHANNEL MEMBER.
Claim 2
Dependent Claim
188 words
A KEYBOARD AND CIRCUIT ASSEMBLY, COMPRISING A PAIR OF MOUNTING PLATES AND A PLURALITY OF CHANNEL MEMBERS EXTENDING BETWEEN SAID MOUNTING PLATES, EACH CHANNEL MEMBER HAVING A PAIR OF LEGS AND A WEB JOINING SUCH LEGS, AND SAID CHANNEL MEMBERS BEING ORIENTED SUCH THAT THE WEBS THEREOF EXTEND NORMAL TO SAID MOUNTING PLATES AND IN SPACED, PARALLEL RELATION TO EACH OTHER, ONE LEG OF EACH CHANNEL MEMBER BEING SECURED TO ONE MOUNTING PLATE AND THE OTHER LEG OF EACH CHANNEL BEING SECURED TO THE OTHER MOUNTING PLATE, SAID MOUNTING PLATES HAVING A PLURALITY OF ROWS OF ALIGNED OPENINGS THEREIN WITH SUCH ROWS CORRESPONDING IN NUMBER TO AND BEING ARRANGED PARALLEL TO THE DIRECTION OF SAID WEBS, A KEY STEM RECIPROCALLY RECEIVED IN EACH PAIR OF SAID ALIGNED OPENINGS, A CIRCUIT BOARD RELEASABLY SECURED TO THE INNER FACE OF EACH WEB, AND EACH CIRCUIT BOARD HAVING A PLURALITY OF SWITCH MEMBERS THEREON, ONE OPPOSITE EACH KEY STEM AND OPERABLE IN RESPONSE TO RECIPROCATION OF THE ASSOCIATED KEY STEM, AND MEANS ON SAID CHANNEL MEMBERS FOR GUIDING EACH CIRCUIT BOARD FOR WITHDRAWAL AND REPLACEMENT ENDWISE OF AN ASSOCIATED CHANNEL MEMBER.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |