Patent US3225883A successfully refreshed from Google Patents.
US3225883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Word writing machine producing closed-up printing in response to simultaneous actuation of keys
Assignee: Individual
•
Filing: 1962-11-13
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Granted: 1965-12-28
•
Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Waldemar A Ayres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:35
CPC Classifications
B; B41; B41J; B41J7/00; B41J7/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
IN TEXT RECORDING EQUIPMENT, THE COMBINATION INCLUDING A KEYBOARD CONSTRUCTED FOR SIMULTANEOUS SELECTION OF CHARACTERS FOR THE RECORDING OF WORDS WITH FULL NORMAL SPELLING, KEYS IN SAID KEYBOARD PROVIDING MORE THAN ONE FULL ALPHABET OF CHARACTERS WEITH ONLY ONE FINGER BEING REQUIRED TO RECORD ANY CHARACTER OF THE ALPHABET, SAID KEYS BEING CONSTRUCTED TO BE OPERATED BY BOTH HANDS SIMULTANEOUSLY, EACH HAND BEING CAPABLE OF SELECTING A PLURALITY OF CHARACTERS SIMULTANEOUSLY, A SET OF MASTER CHARACTERS CORRESPONDING TO SAID KEYS, EACH OF SAID MASTER CHARACTERS BEING ENERGIZABLE BY ACTUATION OF ITS CORRESPONDING KEY OR KEYS ON SAID KEYBOARD, SEQUENCE MEANS CONSTRUCTED TO FIX SAID MASTER CHARACTERS RELATIVE TO EACH OTHER IN A PREDETERMINED LEFT-TO-RIGHT CHARACTER POSITION SEQUENCE, CHARACTER CONNECTING MEANS CONSTRUCTED TO OPERATIVELY ENERGIZE THE MASTER CHARACTERS CORRESPONDING TO ACTUATED CHARACTER KEYS, SEQUENCE SCANNING MEANS CAPABLE OF BEING ACTUATED BY ANY SELECTED KEY AND CONSTRUCTURED TO SCAN ALL OF SAID MASTER CHARACTERS IN THE SE-
Claim 2
Dependent Claim
155 words
IN TEXT RECORDING EQUIPMENT, THE COMBINATION INCLUDING A KEYBOARD CONSTRUCTED FOR SIMULTANEOUS SELECTION OF CHARACTERS FOR THE RECORDING OF WORDS WITH FULL NORMAL SPELLING, KEYS IN SAID KEYBOARD PROVIDING MORE THAN ONE FULL ALPHABET OF CHARACTERS WEITH ONLY ONE FINGER BEING REQUIRED TO RECORD ANY CHARACTER OF THE ALPHABET, SAID KEYS BEING CONSTRUCTED TO BE OPERATED BY BOTH HANDS SIMULTANEOUSLY, EACH HAND BEING CAPABLE OF SELECTING A PLURALITY OF CHARACTERS SIMULTANEOUSLY, A SET OF MASTER CHARACTERS CORRESPONDING TO SAID KEYS, EACH OF SAID MASTER CHARACTERS BEING ENERGIZABLE BY ACTUATION OF ITS CORRESPONDING KEY OR KEYS ON SAID KEYBOARD, SEQUENCE MEANS CONSTRUCTED TO FIX SAID MASTER CHARACTERS RELATIVE TO EACH OTHER IN A PREDETERMINED LEFT-TO-RIGHT CHARACTER POSITION SEQUENCE, CHARACTER CONNECTING MEANS CONSTRUCTED TO OPERATIVELY ENERGIZE THE MASTER CHARACTERS CORRESPONDING TO ACTUATED CHARACTER KEYS, SEQUENCE SCANNING MEANS CAPABLE OF BEING ACTUATED BY ANY SELECTED KEY AND CONSTRUCTURED TO SCAN ALL OF SAID MASTER CHARACTERS IN THE SE-
References Cited (Backward Citations)
US1725533A
Cited
US1913831A
Cited
US1932914A
Cited
US1981987A
Cited
US2428605A
Cited
US2189023A
Cited
US2192594A
Cited
US2353083A
Cited
US2334534A
Cited
US2390414A
Cited
US2502491A
Cited
US2573756A
Cited
US2715360A
Cited
US2784392A
Cited
US2751433A
Cited
US2831424A
Cited
US2951121A
Cited
US2919171A
Cited
US2912090A
Cited
US2918865A
Cited
US2997361A
Cited
US3085132A
Cited
US3068985A
Cited
US3112693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |