Patent US3234331A successfully refreshed from Google Patents.
US3234331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key sender for teleprinters and dataprocessing input devices, or the like
Assignee: International Standard Electric Corp
•
Filing: 1962-03-29
•
Granted: 1966-02-08
•
Expires: 1982-03-29
Abstract
No abstract record available.
Inventors
- 👤 Holstein Otto
- 👤 Deimling Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:58
CPC Classifications
H; H04; H04L; H04L13/00; H04L13/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A KEY SENDER FOR TELEPRINTERS COMPRISING A PLURALITY OF KEY LEVERS REPRESENTING CHARACTERS TO BE TRANSMITTED, MEANS FOR PIVOTALLY MOUNTING SAID KEY LEVERS, A PLURALITY OF TRANSMITTING SELECTING BARS MOUNTED TRANSVERSELY OF SAID LEVERS SO AS TO BE DISPLACEABLE IN THE DIRECTION OF MOVEMENT OF SAID LEVERS, A UNIVERSAL RELEASE BAR OPERATIVELY CONNECTED WITH SAID KEY LEVERS FOR INITIATING THE TRANSMISSION OF A CHARACTER IN RESPONSE TO THE OPERATION OF ANY KEY LEVER, A COMB DETACHABLY MOUNTED ON EACH OF SAID KEY LEVERS IN EITHER OF TWO POSITIONS AND ADAPTED TO ENGAGE PREDETERMINED ONES OF SAID SELECTING BARS WHEN SAID KEY LEVER IS DEPRESSED, EACH OD SAID COMBS BEING PROVIDED WITH TEETH ARRANGED TO ENGAGE A PREDETERMINED COMBINATION OF SELECTING BARS WHEN IN ONE POSITION ON ITS ASSOCIATED KEY LEVER AND ANOTHER COMBINATION OF SELECTING BARS WHEN IN THE OTHER POSITION ON SAID KEY LEVER.
Claim 2
Dependent Claim
145 words
A KEY SENDER FOR TELEPRINTERS COMPRISING A PLURALITY OF KEY LEVERS REPRESENTING CHARACTERS TO BE TRANSMITTED, MEANS FOR PIVOTALLY MOUNTING SAID KEY LEVERS, A PLURALITY OF TRANSMITTING SELECTING BARS MOUNTED TRANSVERSELY OF SAID LEVERS SO AS TO BE DISPLACEABLE IN THE DIRECTION OF MOVEMENT OF SAID LEVERS, A UNIVERSAL RELEASE BAR OPERATIVELY CONNECTED WITH SAID KEY LEVERS FOR INITIATING THE TRANSMISSION OF A CHARACTER IN RESPONSE TO THE OPERATION OF ANY KEY LEVER, A COMB DETACHABLY MOUNTED ON EACH OF SAID KEY LEVERS IN EITHER OF TWO POSITIONS AND ADAPTED TO ENGAGE PREDETERMINED ONES OF SAID SELECTING BARS WHEN SAID KEY LEVER IS DEPRESSED, EACH OD SAID COMBS BEING PROVIDED WITH TEETH ARRANGED TO ENGAGE A PREDETERMINED COMBINATION OF SELECTING BARS WHEN IN ONE POSITION ON ITS ASSOCIATED KEY LEVER AND ANOTHER COMBINATION OF SELECTING BARS WHEN IN THE OTHER POSITION ON SAID KEY LEVER.
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |