US3168303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moisture responsive window control system
Assignee: Motors Liquidation Co
•
Filing: 1962-11-08
•
Granted: 1965-02-02
•
Expires: 1982-11-08
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Skinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:24
CPC Classifications
H; H02; H02P; H02P1/00; H02P1/02; H02P1/04; E; E05; E05F; E05F15/00; E05F15/70; E05F15/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A RAIN RESPONSIVE AUTOMATIC WINDOW CLOSING SYSTEM INCLUDING A VOLTAGE SOURCE, A WINDOW OPERATING MOTOR CONNECTED TO CLOSE A WINDOW, WIRING CONNECTING SAID VOLTAGE SOURCE WITH SAID MOTOR, A SWITCH CONNECTED BETWEEN SAID SOURCE AND SAID MOTOR, SWITCH OPERATING MEANS, MOISTURE RESPONSIVE MEANS CONNECTED BETWEEN SAID SWITCH OPERATING MEANS AND SAID VOLTAGE SOURCE AND OPERATIVE WHEN WET TO ENERGIZE SAID SWITCH OPERATING MEANS TO CAUSE SAID SWITCH OPERATING MEANS TO CLOSE SAID SWITCH AND CONNECT SAID MOTOR WITH SAID VOLTAGE SOURCE, SAID WIRING HAVING A PREDETERMINED RESISTANCE PROVIDING LESS THAN A PREDETERMINED VOLTAGE DROP BETWEEN SAID VOLTAGE SOURCE AND SAID MOTOR WHEN SAID MOTOR IS OPERATING FREELY AND PROVIDING SAID PREDETERMINED VOLTAGE DROP WHEN SAID MOTOR IS STALLED DUE TO ITS WINDOW ENCOUNTERING A RESISTANCE, AND ADDITIONAL MEANS CONNECTED BETWEEN SAID SWITCH OPERATING MEANS AND SAID VOLTAGE SOURCE AND RESPONSIVE TO SAID PREDETERMINED VOLTAGE DROP FOR CAUSING SAID SWITCH OPERATING MEANS TO OPEN SAID SWITCH UPON THE OCCURRENCE OF SAID PREDETERMINED VOLTAGE DROP.
Claim 2
Dependent Claim
163 words
A RAIN RESPONSIVE AUTOMATIC WINDOW CLOSING SYSTEM INCLUDING A VOLTAGE SOURCE, A WINDOW OPERATING MOTOR CONNECTED TO CLOSE A WINDOW, WIRING CONNECTING SAID VOLTAGE SOURCE WITH SAID MOTOR, A SWITCH CONNECTED BETWEEN SAID SOURCE AND SAID MOTOR, SWITCH OPERATING MEANS, MOISTURE RESPONSIVE MEANS CONNECTED BETWEEN SAID SWITCH OPERATING MEANS AND SAID VOLTAGE SOURCE AND OPERATIVE WHEN WET TO ENERGIZE SAID SWITCH OPERATING MEANS TO CAUSE SAID SWITCH OPERATING MEANS TO CLOSE SAID SWITCH AND CONNECT SAID MOTOR WITH SAID VOLTAGE SOURCE, SAID WIRING HAVING A PREDETERMINED RESISTANCE PROVIDING LESS THAN A PREDETERMINED VOLTAGE DROP BETWEEN SAID VOLTAGE SOURCE AND SAID MOTOR WHEN SAID MOTOR IS OPERATING FREELY AND PROVIDING SAID PREDETERMINED VOLTAGE DROP WHEN SAID MOTOR IS STALLED DUE TO ITS WINDOW ENCOUNTERING A RESISTANCE, AND ADDITIONAL MEANS CONNECTED BETWEEN SAID SWITCH OPERATING MEANS AND SAID VOLTAGE SOURCE AND RESPONSIVE TO SAID PREDETERMINED VOLTAGE DROP FOR CAUSING SAID SWITCH OPERATING MEANS TO OPEN SAID SWITCH UPON THE OCCURRENCE OF SAID PREDETERMINED VOLTAGE DROP.
References Cited (Backward Citations)
US2754460A
Cited
US2846633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |