US3588362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic digital impulse transmission system
Assignee: Individual
•
Filing: 1968-09-24
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Granted: 1971-06-28
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Expires: 1988-09-24
Abstract
Abstract AN AUTOMATIC DIGITAL IMPULSE TRANSMISSION SYSTEM PARTICULARLY BUT NOT EXCLUSIVELY CONCERNED WITH THE AUTOMATIC IMPULSING OF TELEPHONE LINES SO AS TO ACTUATE AUTOMATICALLY AUTOMATIC TELEPHONE DIAL EXCHANGES. THUS, THE INVENTION IS APPLICABLE TO THE AUTOMATIC DIALLING OF ONE OR MORE TELEPHONE NUMBERS IN A PREDETERMINED SEQUENCE IN RESPONSE TO THE ESTABLISHMENT OF ONE OR MORE ALARM CONDITIONS. ALTERNATIVELY, THE INVENTION IS APPLICABLE TO THE PROVISION OF AN AUTOMATIC DIALLING MECHANISM, FOR OFFICE USE WHICH CAN BE PRESET TO A PREDETERMINED NUMBER OF TELEPHONE NUMBERS.
Inventors
- 👤 Sholom Kass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:41
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/26; H04M1/27; H04M1/274; H04M1/2745; H04M1/2749
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |