US3564511A
Expired / Lapsed
US
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Data transmission system having a central computer and terminal apparatus
Assignee: Olivetti SpA
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Filing: 1968-10-03
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Granted: 1971-02-16
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Expires: 1988-10-03
Abstract
Abstract A DATA TRANSMISSION SYSTEM HAVING A CENTRAL COMPUTER AND TERMINAL APPARATUS THAT TRANSMITS AND RECEIVES DATA FROM THE COMPUTER, THE TERMINAL APPARATUS HAVING A PROGRAMMING UNIT THAT CONTROLS FUNCTIONS THEREOF AND IS RESPONSIVE TO SERVICE CHARACTERS ASSOCIATED WITH BLOCKS OF CHARACTERS CONSTITATING THE DATA THAT IS TRANSMITTED BY THE COMPUTER TO CAUSE PROGRAMMED SEQUENCE OF OPERATION.
Inventors
- 👤 Francesco Restivo
- 👤 Francesco Serracchioli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:04
CPC Classifications
G; G06; G06F; G06F13/00; G06F13/38; G06F13/10; G06F13/12; G06F13/124; G06F13/14; G06F13/20; G06F13/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |