Patent US3243799A successfully refreshed from Google Patents.
US3243799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Code signal sender with memory storage facilities
Assignee: AT&T Inc
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Filing: 1963-01-21
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Granted: 1966-03-29
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Expires: 1983-01-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Vernon H Parks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:19
CPC Classifications
H; H04; H04L; H04L15/00; H04L15/04; H04L15/06; H04L15/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A DEVICE FOR TRANSMITTING CODED SIGNALS, A FIRST SIGNAL GENERATING MEANS, A SECOND SIGNAL GENERATING MEANS, A KEY CONTACT CIRCUIT MEANS HAVING FIRST AND SECOND CONTACTS SELECTIVELY CLOSED FOR SELECTIVELY OPERATING SAID FIRST AND SECOND SIGNAL GENERATING MEANS, A NORMALLY UNOPERATED MEMORY CIRCUIT MEANS FOR OPERATING A FIRST SIGNAL GENERATING MEANS FOLLOWING OPERTION OF SAID SECOND SIGNAL GENERATING MEANS, AND MEANS RESPONSIVE TO SEQUENTIAL CLOSURE OF SAID SECOND CONTACTS AND THEN SAID FIRST CONTACTS DURING OPERATION OF SAID SECOND SIGNAL GENERATING MEANS FOR OPERATING SAID MEMORY CIRCUIT MEANS.
Claim 2
Dependent Claim
89 words
IN A DEVICE FOR TRANSMITTING CODED SIGNALS, A FIRST SIGNAL GENERATING MEANS, A SECOND SIGNAL GENERATING MEANS, A KEY CONTACT CIRCUIT MEANS HAVING FIRST AND SECOND CONTACTS SELECTIVELY CLOSED FOR SELECTIVELY OPERATING SAID FIRST AND SECOND SIGNAL GENERATING MEANS, A NORMALLY UNOPERATED MEMORY CIRCUIT MEANS FOR OPERATING A FIRST SIGNAL GENERATING MEANS FOLLOWING OPERTION OF SAID SECOND SIGNAL GENERATING MEANS, AND MEANS RESPONSIVE TO SEQUENTIAL CLOSURE OF SAID SECOND CONTACTS AND THEN SAID FIRST CONTACTS DURING OPERATION OF SAID SECOND SIGNAL GENERATING MEANS FOR OPERATING SAID MEMORY CIRCUIT MEANS.
References Cited (Backward Citations)
US2658946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |