US3258697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guettel control circuit
Assignee: —
•
Filing: —
•
Granted: 1966-06-28
•
Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:44
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/24; B23K11/248
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
223 words
A HEAT CONTROL CIRCUIT FOR A RESISTANCE WELDER, THE COMBINATION COMPRISING: AN ALTERNATING POLARITY SOURCE, A FIRST SIGNAL MEANS INCLUDING A CAPACITOR AND MEANS FOR INITIATING AN INTERVAL DURING WHICH THE CAPACITOR IS CHARGE AT A PREDETERMINED POINT DURING EACH HALF CYCLE ON AN ALTERNATING POLARITY VOLTAGE WAVE OF THE SOURCE AND FOR SUPPLYING AN OUTPUT SIGNAL PULSE IN RESPONSE TO A PREDETERMINED CHARGE ON THE CAPACITOR DURING EACH OF THE HALF CYCLES, A SECOND SIGNAL MEANS RESPONSIVE TO THE ALTERNATING POLARITY OF THE SOURCE PROVIDING A PAIR OF INDIVIDUAL OUTPUT SIGNALS WHICH ARE SYNCHRONIZED WITH THE ALTERNAING POLARITY OF THE SOURCE, A PAIR OF INDIVIDUAL AND LOGIC UNITS EACH HAVING AN OUTPUT WITH BOTH OF SAID AND UNITS HAVING AN INPUT RECEIVING THE OUTPUT SIGNAL PULSE FROM THE FIRST SIGNAL MEANS AND EACH OF SAID PAIR OF AND UNITS HAVING AN INPUT RECEIVING A DIFFERENT ONE OF THE PAIR OF OUTPUT SIGNALS FROM THE SECOND SIGNAL MEANS AND A BISTABLE STATE SWITCHABLE LOGIC MEMORY HAVING A SINGLE OUTPUT AND A PAIR OF INPUTS WITH ONE OF THE INPUTS OF THE MEMORY RECEIVING AN OUTPUT OF ONE OF SAID PAIR OF AND UNITS FOR SWITCHING THE MEMORY TO ONE OF ITS BISTABLE STATES AND THE OTHER OF SAID PAIR OF IMPUTS OF THE MEMORY RECEIVING AN OUTPUT OF THE OTHER OF THE SAID
Claim 2
Dependent Claim
223 words
A HEAT CONTROL CIRCUIT FOR A RESISTANCE WELDER, THE COMBINATION COMPRISING: AN ALTERNATING POLARITY SOURCE, A FIRST SIGNAL MEANS INCLUDING A CAPACITOR AND MEANS FOR INITIATING AN INTERVAL DURING WHICH THE CAPACITOR IS CHARGE AT A PREDETERMINED POINT DURING EACH HALF CYCLE ON AN ALTERNATING POLARITY VOLTAGE WAVE OF THE SOURCE AND FOR SUPPLYING AN OUTPUT SIGNAL PULSE IN RESPONSE TO A PREDETERMINED CHARGE ON THE CAPACITOR DURING EACH OF THE HALF CYCLES, A SECOND SIGNAL MEANS RESPONSIVE TO THE ALTERNATING POLARITY OF THE SOURCE PROVIDING A PAIR OF INDIVIDUAL OUTPUT SIGNALS WHICH ARE SYNCHRONIZED WITH THE ALTERNAING POLARITY OF THE SOURCE, A PAIR OF INDIVIDUAL AND LOGIC UNITS EACH HAVING AN OUTPUT WITH BOTH OF SAID AND UNITS HAVING AN INPUT RECEIVING THE OUTPUT SIGNAL PULSE FROM THE FIRST SIGNAL MEANS AND EACH OF SAID PAIR OF AND UNITS HAVING AN INPUT RECEIVING A DIFFERENT ONE OF THE PAIR OF OUTPUT SIGNALS FROM THE SECOND SIGNAL MEANS AND A BISTABLE STATE SWITCHABLE LOGIC MEMORY HAVING A SINGLE OUTPUT AND A PAIR OF INPUTS WITH ONE OF THE INPUTS OF THE MEMORY RECEIVING AN OUTPUT OF ONE OF SAID PAIR OF AND UNITS FOR SWITCHING THE MEMORY TO ONE OF ITS BISTABLE STATES AND THE OTHER OF SAID PAIR OF IMPUTS OF THE MEMORY RECEIVING AN OUTPUT OF THE OTHER OF THE SAID
References Cited (Backward Citations)
US2883583A
Cited
US2975338A
Cited
US2862114A
Cited
US3049628A
Cited
US3041476A
Cited
US2977486A
Cited
US3010049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |