Patent US3183501A successfully refreshed from Google Patents.
US3183501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal station
Assignee: AUTOCALL CO
•
Filing: 1963-04-09
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Granted: 1965-05-11
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Expires: 1983-04-09
Abstract
No abstract record available.
Inventors
- 👤 Harold E Seaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:19
CPC Classifications
G; G08; G08B; G08B25/00; G08B25/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN AN EMERGENCY CALL BOX, THE COMBINATION OF (A) A MOUNTING SUPPORT, (B) A MANUALLY ENGAGED PULL-DOWN SLIDE PANEL, (C) MEANS MOUNTING SAID SLIDE PANEL ON SAID SUPPORT FOR VERTICAL RECTILINEAR SLIDING MOVEMENT FROM A NORMAL POSITION INTO A PLURALITY OF SIGNALLING POSITIONS, (D) A PLURALITY OF ELECTRICAL SWITCHES RESPONSIVE TO THE MOVEMENT OF SAID PANEL INTO SAID PLURALITY OF SIGNALLING POSITIONS, (E) MANUALLY ENGAGED MEANS FOR MANUALLY SLIDING SAID SLIDE PANEL DOWNWARDLY FROM ONE OF SAID POSITIONS TO ANOTHER, (F) AND LATCH MEANS CONTROLLING THE SLIDING MOVEMENT OF SAID SLIDE PANEL FROM ONE OF SAID SIGNALLING POSITIONS INTO ANOTHER OF SAID SIGNALLING POSITIONS.
Claim 2
Dependent Claim
104 words
IN AN EMERGENCY CALL BOX, THE COMBINATION OF (A) A MOUNTING SUPPORT, (B) A MANUALLY ENGAGED PULL-DOWN SLIDE PANEL, (C) MEANS MOUNTING SAID SLIDE PANEL ON SAID SUPPORT FOR VERTICAL RECTILINEAR SLIDING MOVEMENT FROM A NORMAL POSITION INTO A PLURALITY OF SIGNALLING POSITIONS, (D) A PLURALITY OF ELECTRICAL SWITCHES RESPONSIVE TO THE MOVEMENT OF SAID PANEL INTO SAID PLURALITY OF SIGNALLING POSITIONS, (E) MANUALLY ENGAGED MEANS FOR MANUALLY SLIDING SAID SLIDE PANEL DOWNWARDLY FROM ONE OF SAID POSITIONS TO ANOTHER, (F) AND LATCH MEANS CONTROLLING THE SLIDING MOVEMENT OF SAID SLIDE PANEL FROM ONE OF SAID SIGNALLING POSITIONS INTO ANOTHER OF SAID SIGNALLING POSITIONS.
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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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |