US3317019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: International Business Machines Corp
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Filing: 1965-09-20
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Granted: 1967-05-02
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Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Robert F Braune
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:51
CPC Classifications
B; B41; B41J; B41J5/00; B41J5/08; B41J5/10; B41J5/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A DEVICE FOR MOUNTING ON A KEYBOARD CONTAINING A PLURALITY OF KEYS COMPRISING: AT LEAST ONE RIGID FRAME ADAPTED TO BE PLACED OVER A SEPARATE ROW OF KEYS OF THE KEYBOARD, SAID RIGID FRAME INCLUDING FIRST AND SECOND LONGITUDINAL MEMBERS AND A PLURALITY OF SPACED PARALLEL MEMBERS TRANSVERSELY CONNECTED BETWEEN SAID FIRST AND SECOND LONGITUDINAL MEMBERS, AND AT LEAST ONE FLEXIBLE MEMBER ASSOCIATED WITH SAID RIGID FRAME, SAID FLEXIBLE MEMBER EXTENDING OVER SAID ASSOCIATED RIGID FRAME AND CONNECTED TO SAID PARALLEL SPACED MEMBERS THEREOF, SAID FLEXIBLE MEMBER COVERING THE ROW OF KEYS OF THE KEYBOARD AND SUPPORTING THE INTERCONNECTED RIGID FRAME WHEN SAID RIGID FRAME IS PLACED OVER THE ROW OF KEYS OF THE KEYBOARD.
Claim 2
Independent Claim
115 words
A DEVICE FOR MOUNTING ON A KEYBOARD CONTAINING A PLURALITY OF KEYS COMPRISING: AT LEAST ONE RIGID FRAME ADAPTED TO BE PLACED OVER A SEPARATE ROW OF KEYS OF THE KEYBOARD, SAID RIGID FRAME INCLUDING FIRST AND SECOND LONGITUDINAL MEMBERS AND A PLURALITY OF SPACED PARALLEL MEMBERS TRANSVERSELY CONNECTED BETWEEN SAID FIRST AND SECOND LONGITUDINAL MEMBERS, AND AT LEAST ONE FLEXIBLE MEMBER ASSOCIATED WITH SAID RIGID FRAME, SAID FLEXIBLE MEMBER EXTENDING OVER SAID ASSOCIATED RIGID FRAME AND CONNECTED TO SAID PARALLEL SPACED MEMBERS THEREOF, SAID FLEXIBLE MEMBER COVERING THE ROW OF KEYS OF THE KEYBOARD AND SUPPORTING THE INTERCONNECTED RIGID FRAME WHEN SAID RIGID FRAME IS PLACED OVER THE ROW OF KEYS OF THE KEYBOARD.
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |