US3392620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uniform keyboard adapter
Assignee: WILLIS H THOMPSON JR
•
Filing: 1966-06-30
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Granted: 1968-07-16
•
Expires: 1986-06-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Willis H Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:15
CPC Classifications
G; G10; G10C; G10C3/00; G10C3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A KEYBOARD ADAPTER HAVING A UNIFORM SET OF ALTERNATE LONG AND SHORT KEYS FOR ATTACHMENT OVER THE CONVENTIONAL KEYS OF A KEYBOARD INSTRUMENT COMPRISING FRAME MEANS FOR HINGEABLY SUPPORTING SAID UNIFORM SET OF KEYS OVER THE KEYS OF A KEYBOARD INSTRUMENT, SAID FRAME MEANS COMPRISING END MEMBERS HAVING ADJUSTABLE MEANS TO BE FIRMLY ATTACHED TO SAID INSTRUTHE FRAME MEANS TO BE FIRMLY ATTACHED TO SAID INSTRUMENT AND FOR ENABLING PROPER ALIGNMENT OF SAID UNIFORM SET OF KEYS WITH THE KEYS OF SAID INSTRUMENT, AND SAID FRAME MEANS COMPRISING A SUPPORTING MEMBER FOR HINGEABLY SUPPORTING EACH OF SAID LONG AND SHORT KEYS, A SET OF UNIFORM KEYS INCLUDING ALTERNATE LONG AND SHORT KEYS, EACH OF SAID KEYS BEING HINGEABLY COUPLED WITH SAID SUPPORTING MEMBER, AND EACH OF SAID SHORT AND LONG KEYS HAVING AN ELONGATED NOTCH IN THE UNDERSIDE THEREOF SUBSTANTIALLY CENTERED ALONG THE LONGITUDINAL AXIS OF THE RESPECTIVE LONG AND SHORT KEYS, A CONTACT MEMBER COUPLED WITHIN THE NOTCH OF EACH OF SAID LONG AND SHORT KEYS, SAID CONTACT MEMBERS BEING LONGITUDINALLY ADJUSTABLE IN THE NOTCHES OF SAID LONG AND SHORT KEYS FOR VARYING THE "TOUCH" THEREOF.
Claim 2
Dependent Claim
187 words
A KEYBOARD ADAPTER HAVING A UNIFORM SET OF ALTERNATE LONG AND SHORT KEYS FOR ATTACHMENT OVER THE CONVENTIONAL KEYS OF A KEYBOARD INSTRUMENT COMPRISING FRAME MEANS FOR HINGEABLY SUPPORTING SAID UNIFORM SET OF KEYS OVER THE KEYS OF A KEYBOARD INSTRUMENT, SAID FRAME MEANS COMPRISING END MEMBERS HAVING ADJUSTABLE MEANS TO BE FIRMLY ATTACHED TO SAID INSTRUTHE FRAME MEANS TO BE FIRMLY ATTACHED TO SAID INSTRUMENT AND FOR ENABLING PROPER ALIGNMENT OF SAID UNIFORM SET OF KEYS WITH THE KEYS OF SAID INSTRUMENT, AND SAID FRAME MEANS COMPRISING A SUPPORTING MEMBER FOR HINGEABLY SUPPORTING EACH OF SAID LONG AND SHORT KEYS, A SET OF UNIFORM KEYS INCLUDING ALTERNATE LONG AND SHORT KEYS, EACH OF SAID KEYS BEING HINGEABLY COUPLED WITH SAID SUPPORTING MEMBER, AND EACH OF SAID SHORT AND LONG KEYS HAVING AN ELONGATED NOTCH IN THE UNDERSIDE THEREOF SUBSTANTIALLY CENTERED ALONG THE LONGITUDINAL AXIS OF THE RESPECTIVE LONG AND SHORT KEYS, A CONTACT MEMBER COUPLED WITHIN THE NOTCH OF EACH OF SAID LONG AND SHORT KEYS, SAID CONTACT MEMBERS BEING LONGITUDINALLY ADJUSTABLE IN THE NOTCHES OF SAID LONG AND SHORT KEYS FOR VARYING THE "TOUCH" THEREOF.
References Cited (Backward Citations)
US334484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |