US3189883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Test and reset circuit for intrusion alarm system
Assignee: GTE Sylvania Inc
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Filing: 1961-12-18
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Granted: 1965-06-15
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Expires: 1981-12-18
Abstract
No abstract record available.
Inventors
- 👤 Raymond D Lucas
- 👤 George C Byrne
- 👤 John C Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:03
CPC Classifications
G; G08; G08B; G08B29/00; G08B29/12; G08B29/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
IN COMBINATION, INTRUSION ALARM APPARATUS RESPONSIVE TO CONDITION FOR GIVING AN ALARM, A TEST AND RESET CIRCUIT COMPRISING A TEST GENERATOR HAVING FIRST, SECOND AND THIRD OUTPUTS, MEANS TO ACTUATE SAID GENERATOR TO GENERATE SIGNALS AT SAID THREE OUTPUTS, THE FIRST OUTPUT BEING CONNECTED TO SAID APPARATUS TO SIMULATE THE CONDITION AND GIVE THE ALARM, AN AND GATE HAVING AN OUTPUT AND HAVING A FIRST INPUT CONNECTED TO AN OUTPUT OF SAID APPARATUS AND A SECOND INPUT CONNECTED TO THE SECOND OUTPUT OF THE GENERATOR,
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |