US3087145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burglar alarm system and switch therefor
Assignee: Individual
•
Filing: 1955-07-29
•
Granted: 1963-04-23
•
Expires: 1975-07-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Fruh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:04
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/02; G08B13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE COMBINATION OF A BURGULAR ALARM CIRCUIT INCLUDING A FOIL CIRCUIT, AN ALARM CIRCUIT FOR THE FOIL CIRCUIT AND A WINDOW SWITCH IN THE FOIL CIRCUIT COMPRISING, MOUNTING MEANS FOR MOUNTING SAID WINDOW SWITCH UPON A HORIZONTALLY PIVOTED CLOSURE MEMBER; SAID WINDOW SWITCH INCLUDING A HOUSING AND A MERCURY TUBE SWITCH OPERATIVELY MOUNTED THEREIN; MEANS FOR ADJUSTING THE POSITION OF THE MERCURY TUBE SWITCH COMPRISING MOUNTING MEANS FOR DETACHABLY MOUNTING THE MERCURY TUBE SWITCH AND FOR REVERSING THE POSITION OF SAID MERCURY TUBE SWITCH FOR ADJUSTMENT THEREOF TO TILTING OF SAID CLOSURE MEMBER IN EITHER DIRECTION, WHEREBY TILTING OF THE CLOSURE MEMBER BREAKS THE FOIL CIRCUIT AND CLOSES THE ALARM CIRCUIT.
Claim 2
Dependent Claim
111 words
THE COMBINATION OF A BURGULAR ALARM CIRCUIT INCLUDING A FOIL CIRCUIT, AN ALARM CIRCUIT FOR THE FOIL CIRCUIT AND A WINDOW SWITCH IN THE FOIL CIRCUIT COMPRISING, MOUNTING MEANS FOR MOUNTING SAID WINDOW SWITCH UPON A HORIZONTALLY PIVOTED CLOSURE MEMBER; SAID WINDOW SWITCH INCLUDING A HOUSING AND A MERCURY TUBE SWITCH OPERATIVELY MOUNTED THEREIN; MEANS FOR ADJUSTING THE POSITION OF THE MERCURY TUBE SWITCH COMPRISING MOUNTING MEANS FOR DETACHABLY MOUNTING THE MERCURY TUBE SWITCH AND FOR REVERSING THE POSITION OF SAID MERCURY TUBE SWITCH FOR ADJUSTMENT THEREOF TO TILTING OF SAID CLOSURE MEMBER IN EITHER DIRECTION, WHEREBY TILTING OF THE CLOSURE MEMBER BREAKS THE FOIL CIRCUIT AND CLOSES THE ALARM CIRCUIT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |