US3372250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
All-purpose timer
Assignee: Individual
•
Filing: 1966-04-20
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Granted: 1968-03-05
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Expires: 1986-04-20
Abstract
No abstract record available.
Inventors
- 👤 Norman L Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:20
CPC Classifications
G; G04; G04C; G04C23/00; G04C23/14; G04C23/26; G04C23/30; G04C23/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
377 words
AN ALL PURPOSE TIMER FOR SELECTIVELY ACTUATING ELECTRICALLY OPERATED DEVICES INDEPENDENT OF THE ELECTRICAL REQUIREMENTS FOR SUCH DEVICES, COMPRISING IN COMBINATION: (A) ELECTRICAL INPUT MEANS; (B) ELECTRICAL OUTPUT MEANS FOR SUPPLYING AN OUTPUT REQUIRED FOR THE ACTUATION OF THE ELECTRICALLY OPERATED DEVICES CONNECTED THERETO; (C) CONDUCTIVE PATH ESTABLISHING MEANS ELECTRICALLY CONNECTED TO SAID INPUT MEANS AND SAID OUTPUT MEANS AND INCLUDING FIRST AND SECOND CONTACT MEMBERS, SAID FIRST CONTACT MEMBER BEING ELECTRICALLY CONNECTED TO SAID INPUT MEANS AND SAID SECOND CONTACT MEMBER BEING ELECTRICALLY CONNECTED TO SAID OUTPUT MEANS, AND ROTATABLE WAFER SWITCH MEANS ARRANGED FOR SELECTIVELY CONNECTING SAID FIRST AND SECOND CONTACT MEMBERS TO ESTABLISH A CLOSED CONDUCTIVE PATH BETWEEN SAID INPUT MEANS AND SAID CONPUT MEANS, SAID SWITCH MEANS INCLUDING A ROTATABLE SWITCH PLATE CARRYING A PLURALITY OF CONDUCTIVE BARS, EACH OF SAID BARS EXTENDING RADIALLY FROM SAID PLATE AND HAVING ANOTHER OF SAID BARS ARRANGED DIAMETRICALLY OPPOSITE THERETO, ALTERNATE ONES OF SAID CONTACT BARS BEING ELECTRICALLY CONNECTED WITH SAID DIAMETRICALLY OPPOSED BAR, SAID DIAMETRICALLY OPPOSED BAR BEING ARRANGED FOR CONTACTING SAID FIRST AND SECOND CONTACT MEMBERS WHEREBY TWO DIAMETRICALLY OPPOSED AND ELECTRICALLY CONNECTED BARS FROM A CLOSED CONDUCTIVE PATH BETWEEN SAID FIRST AND SECOND CONTACT MEMBERS SO AS TO ESTABLISH A CONDUCTIVE PATH BETWEEN SAID PLATE FOR FIXING POSITIONS THEREOF WITH SAID (D) DETENT MEANS OPERATIVELY ASSOCIATED WITH SAID SWITCH PLATE FOR FIXING POSITIONS THEREOF WHEREIN DIAMETRICALLY OPPOSED BARS ARE IN ALIGNMENT WITH SAID FIRST AND SECOND CONTACT MEMBERS; AND (E) CLOCK MEANS ARRANGED FOR COOPERATION WITH SAID WAFER SWITCH MEANS FOR ROTATING THE SAME AT DESIRED INTERVALS SO AS TO SELECTIVELY CAUSE SAID ELECTRICALLY CONNECTED DIAMETRICALLY OPPOSED CONDUCTIVE BARS AND SAID DIAMETRICALLY OPPOSED CONDUCTIVE BARS WHICH ARE NOT ELECTRICALLY CONNECTED TO CONTACT SAID FIRST AND SECOND CONTACT MEMBERS, SAID CLOCK MEANS INCLUDING A ROTATING PLATE HAVING PROJECTING FINGER MEANS CORRESPONDING TO THE DESIRED TIME SWITCHING FOR HE ELECTRICAL DEVICES CONNECTED TO THE OUTPUT MEANS OF THE TIMER, SAID FINGER MEANS UPON ROTATION OF SAID CLOCK PLATE ENGAGING ONE OF SAID CONDUCTIVE BARS OF SAID SWITCH MEANS FOR PRESSING AGAINST SUCH BAR TO CAUSE ROTATION OF SAID SWITCH PLATE, SAID DETENT MEANS FIXING A DIFFERENT POSITION OF SAID SWITCH PLATE AND TWO DIFFERENT DIAMETRICALLY OPPOSED CONDUCTIVE BARS CONTACT SAID FIRST AND SECOND CONTACT MEMBERS.
Claim 2
Dependent Claim
377 words
AN ALL PURPOSE TIMER FOR SELECTIVELY ACTUATING ELECTRICALLY OPERATED DEVICES INDEPENDENT OF THE ELECTRICAL REQUIREMENTS FOR SUCH DEVICES, COMPRISING IN COMBINATION: (A) ELECTRICAL INPUT MEANS; (B) ELECTRICAL OUTPUT MEANS FOR SUPPLYING AN OUTPUT REQUIRED FOR THE ACTUATION OF THE ELECTRICALLY OPERATED DEVICES CONNECTED THERETO; (C) CONDUCTIVE PATH ESTABLISHING MEANS ELECTRICALLY CONNECTED TO SAID INPUT MEANS AND SAID OUTPUT MEANS AND INCLUDING FIRST AND SECOND CONTACT MEMBERS, SAID FIRST CONTACT MEMBER BEING ELECTRICALLY CONNECTED TO SAID INPUT MEANS AND SAID SECOND CONTACT MEMBER BEING ELECTRICALLY CONNECTED TO SAID OUTPUT MEANS, AND ROTATABLE WAFER SWITCH MEANS ARRANGED FOR SELECTIVELY CONNECTING SAID FIRST AND SECOND CONTACT MEMBERS TO ESTABLISH A CLOSED CONDUCTIVE PATH BETWEEN SAID INPUT MEANS AND SAID CONPUT MEANS, SAID SWITCH MEANS INCLUDING A ROTATABLE SWITCH PLATE CARRYING A PLURALITY OF CONDUCTIVE BARS, EACH OF SAID BARS EXTENDING RADIALLY FROM SAID PLATE AND HAVING ANOTHER OF SAID BARS ARRANGED DIAMETRICALLY OPPOSITE THERETO, ALTERNATE ONES OF SAID CONTACT BARS BEING ELECTRICALLY CONNECTED WITH SAID DIAMETRICALLY OPPOSED BAR, SAID DIAMETRICALLY OPPOSED BAR BEING ARRANGED FOR CONTACTING SAID FIRST AND SECOND CONTACT MEMBERS WHEREBY TWO DIAMETRICALLY OPPOSED AND ELECTRICALLY CONNECTED BARS FROM A CLOSED CONDUCTIVE PATH BETWEEN SAID FIRST AND SECOND CONTACT MEMBERS SO AS TO ESTABLISH A CONDUCTIVE PATH BETWEEN SAID PLATE FOR FIXING POSITIONS THEREOF WITH SAID (D) DETENT MEANS OPERATIVELY ASSOCIATED WITH SAID SWITCH PLATE FOR FIXING POSITIONS THEREOF WHEREIN DIAMETRICALLY OPPOSED BARS ARE IN ALIGNMENT WITH SAID FIRST AND SECOND CONTACT MEMBERS; AND (E) CLOCK MEANS ARRANGED FOR COOPERATION WITH SAID WAFER SWITCH MEANS FOR ROTATING THE SAME AT DESIRED INTERVALS SO AS TO SELECTIVELY CAUSE SAID ELECTRICALLY CONNECTED DIAMETRICALLY OPPOSED CONDUCTIVE BARS AND SAID DIAMETRICALLY OPPOSED CONDUCTIVE BARS WHICH ARE NOT ELECTRICALLY CONNECTED TO CONTACT SAID FIRST AND SECOND CONTACT MEMBERS, SAID CLOCK MEANS INCLUDING A ROTATING PLATE HAVING PROJECTING FINGER MEANS CORRESPONDING TO THE DESIRED TIME SWITCHING FOR HE ELECTRICAL DEVICES CONNECTED TO THE OUTPUT MEANS OF THE TIMER, SAID FINGER MEANS UPON ROTATION OF SAID CLOCK PLATE ENGAGING ONE OF SAID CONDUCTIVE BARS OF SAID SWITCH MEANS FOR PRESSING AGAINST SUCH BAR TO CAUSE ROTATION OF SAID SWITCH PLATE, SAID DETENT MEANS FIXING A DIFFERENT POSITION OF SAID SWITCH PLATE AND TWO DIFFERENT DIAMETRICALLY OPPOSED CONDUCTIVE BARS CONTACT SAID FIRST AND SECOND CONTACT MEMBERS.
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |