US3296369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Communications equipment keyboard
Assignee: SCM Corp
•
Filing: 1965-08-23
•
Granted: 1967-01-03
•
Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Clayton H Clark
- 👤 Donald J Stefanik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:30
CPC Classifications
H; H04; H04L; H04L17/00; B; B41; B41J; B41J1/00; B41J1/22; B41J1/32; G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/34; H04L13/00; H04L13/02; H04L13/06; H04L13/08; H04L13/18; H04L13/182; H04L17/02; H04L17/04; H04L17/16; H04L17/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A KEYBOARD TRANSMITTER COMPRISING: MANIPULATIVE MECHANICAL KEYBOARD STRUCTURE AND TRANSMISSION COMPONENTS CONTROLLED THEREBY, SAID KEYBOARD STRUCTURE INCLUDING: A PLURALITY OF SHIFTABLY DEPRESSIBLE KEY LEVERS; A PLURALITY OF LONGITUDINALLY PIVOTED CODE BAILS WITH COOPERATING PORTIONS OF SAID KEY LEVERS AND CODE BAILS INCLUDING ABUTMENTS AND PERMUTATIVELY ARRANGED NOTCHES ENABLING POSITIVE ENGAGEMENT BETWEEN EACH DEPRESSED KEY LEVER AND ALL CODE BAILS TO PROVIDE OPERATION OF EACH OF SAID CODE BAILS TO AND RETENTION IN EITHER ONE OF ONLY TWO PIVOTAL POSITIONS, UPON ACTUATION OF A KEY LEVER, REPRESENTATIVE OF A MARK, OR A SPACE CONDITION, SAID PIVOTALLY POSITIONED CODE BAILS THEREUPON PROVIDING A SPECIFIC PERMUTATION CODE CORRESPONDING TO THE CHARACTER ON SAID DEPRESSED KEY LEVER; A UNIVERSAL BAIL INVARIABLY ENGAGED BY AND OPERATED UPON DEPRESSION OF ANY KEY LEVER; A PLURALITY
Claim 2
Dependent Claim
129 words
A KEYBOARD TRANSMITTER COMPRISING: MANIPULATIVE MECHANICAL KEYBOARD STRUCTURE AND TRANSMISSION COMPONENTS CONTROLLED THEREBY, SAID KEYBOARD STRUCTURE INCLUDING: A PLURALITY OF SHIFTABLY DEPRESSIBLE KEY LEVERS; A PLURALITY OF LONGITUDINALLY PIVOTED CODE BAILS WITH COOPERATING PORTIONS OF SAID KEY LEVERS AND CODE BAILS INCLUDING ABUTMENTS AND PERMUTATIVELY ARRANGED NOTCHES ENABLING POSITIVE ENGAGEMENT BETWEEN EACH DEPRESSED KEY LEVER AND ALL CODE BAILS TO PROVIDE OPERATION OF EACH OF SAID CODE BAILS TO AND RETENTION IN EITHER ONE OF ONLY TWO PIVOTAL POSITIONS, UPON ACTUATION OF A KEY LEVER, REPRESENTATIVE OF A MARK, OR A SPACE CONDITION, SAID PIVOTALLY POSITIONED CODE BAILS THEREUPON PROVIDING A SPECIFIC PERMUTATION CODE CORRESPONDING TO THE CHARACTER ON SAID DEPRESSED KEY LEVER; A UNIVERSAL BAIL INVARIABLY ENGAGED BY AND OPERATED UPON DEPRESSION OF ANY KEY LEVER; A PLURALITY
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |