US3352267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control circuit useful with sewing machines
Assignee: Singer Co
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Filing: 1965-11-29
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Granted: 1967-11-14
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Expires: 1985-11-29
Abstract
No abstract record available.
Inventors
- 👤 Robert C Brandriff
- 👤 Charles G Pickett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:39
CPC Classifications
D; D05; D05B; D05B51/00; F; F15; F15C; F15C1/00; F15C1/18; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/2158
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
CIRCUIT APPARATUS FOR USE IN CONTROLLING THE MODULATION OF A TRAIN OF PULSES COMPRISING A FIRST PAIR OF SIGNAL TRANSLATING CHANNELS CONNECTED IN PARALLEL AND ADAPTED TO RECEIVE SAID PULSE TRAIN, ONE OF SAID CHANNELS BEING PROVIDED WITH A FIRST NOT LOGIC ELEMENT, AND ALSO ONE OF SAID CHANNELS BEING PROVIDED WITH MEANS FOR DELAYING ITS RESPECITIVE SIGNAL BY SUBSTANTIALLY THE DURATION OF A REFERENCE TIME PERIOD, A FIRST OR LOGIC ELEMENT ADAPTED TO RECEIVE THE OUTPUT SIGNALS FROM BOTH CHANNELS TO PRODUCE A LOGICAL SUM SIGNAL, A SECOND NOT LOGIC ELEMENT ADAPTED TO RECIEVE THE OUTPUT LOGICAL SUM SIGNAL FROM SAID FIRST OR LOGIC ELEMENT, A SECOND PAIR OF CHANNELS CONNECTED IN PARALLEL AND ADAPTED TO RECEIVE THE OUTPUT SIGNAL FROM SAID SECOND NOT ELEMENT, AND ONE OF SAID SECOND PAIR OF CHANNELS BEING PROVIDED WITH MEANS FOR DELAYING ITS SIGNAL BY A DURATION SUBSTANTIALLY THE SAME AS SAID REFERENCE TIME PERIOD, AND A SECOND OR LOGIC ELEMENT ADAPTED TO RECEIVE THE SIGNALS FROM BOTH CHANNELS OF SAID SECOND PAIR OF CHANNELS FOR PRODUCING A SECOND LOGICAL SUM SIGNAL.
Claim 2
Dependent Claim
180 words
CIRCUIT APPARATUS FOR USE IN CONTROLLING THE MODULATION OF A TRAIN OF PULSES COMPRISING A FIRST PAIR OF SIGNAL TRANSLATING CHANNELS CONNECTED IN PARALLEL AND ADAPTED TO RECEIVE SAID PULSE TRAIN, ONE OF SAID CHANNELS BEING PROVIDED WITH A FIRST NOT LOGIC ELEMENT, AND ALSO ONE OF SAID CHANNELS BEING PROVIDED WITH MEANS FOR DELAYING ITS RESPECITIVE SIGNAL BY SUBSTANTIALLY THE DURATION OF A REFERENCE TIME PERIOD, A FIRST OR LOGIC ELEMENT ADAPTED TO RECEIVE THE OUTPUT SIGNALS FROM BOTH CHANNELS TO PRODUCE A LOGICAL SUM SIGNAL, A SECOND NOT LOGIC ELEMENT ADAPTED TO RECIEVE THE OUTPUT LOGICAL SUM SIGNAL FROM SAID FIRST OR LOGIC ELEMENT, A SECOND PAIR OF CHANNELS CONNECTED IN PARALLEL AND ADAPTED TO RECEIVE THE OUTPUT SIGNAL FROM SAID SECOND NOT ELEMENT, AND ONE OF SAID SECOND PAIR OF CHANNELS BEING PROVIDED WITH MEANS FOR DELAYING ITS SIGNAL BY A DURATION SUBSTANTIALLY THE SAME AS SAID REFERENCE TIME PERIOD, AND A SECOND OR LOGIC ELEMENT ADAPTED TO RECEIVE THE SIGNALS FROM BOTH CHANNELS OF SAID SECOND PAIR OF CHANNELS FOR PRODUCING A SECOND LOGICAL SUM SIGNAL.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |