US3077546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impulse counter
Assignee: SGL Group GmbH Werk Ringsdorf
•
Filing: 1959-03-24
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Granted: 1963-02-12
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Expires: 1979-03-24
Abstract
No abstract record available.
Inventors
- 👤 Schroter Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:26
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/08; G06M1/10; G06M1/102; G06M1/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
AN ELECTRIC IMPULSE COUNTER OF THE MOTOR TYPE, WHICH COMPRISES: A ROTOR HAVING A PLURALITY OF RADIALLY EXTENDING SUBSTANTIALLY EVENLY SPACED POLES; A FIRST ELECTROMAGNETIC SYSTEM HAVING A FIRST CORE WITH AT LEAST ONE POLE SHOE AND HAVING FIRST COIL MEANS ARRANGED ON SAID FIRST CORE; A SECOND ELECTROMAGNETIC SYSTEM HAVING A SECOND CORE WITH AT LEAST ONE POLE SHOE AND HAVING SECOND COIL MEANS ARRANGED ON SAID SECOND CORE; SAID TWO SYSTEMS BEING SO ARRANGED THAT THE POLE SHOE OF ONE SYSTEM IS FACING THE SPACE BETWEEN TWO POLES OF SAID ROTOR WHEN SAID POLE SHOE OF SAID OTHER SYSTEM IS FACING ANOTHER POLE OF SAID ROTOR; A FIRST CIRCUIT COMPRISING IN SERIAL ARRANGEMENT A CAPACITOR, A RESISTOR, AND SAID FIRST COIL MEANS; A SECOND CIRCUIT IN SERIAL ARRANGEMENT COMPRISING AN IN-
Claim 2
Dependent Claim
133 words
AN ELECTRIC IMPULSE COUNTER OF THE MOTOR TYPE, WHICH COMPRISES: A ROTOR HAVING A PLURALITY OF RADIALLY EXTENDING SUBSTANTIALLY EVENLY SPACED POLES; A FIRST ELECTROMAGNETIC SYSTEM HAVING A FIRST CORE WITH AT LEAST ONE POLE SHOE AND HAVING FIRST COIL MEANS ARRANGED ON SAID FIRST CORE; A SECOND ELECTROMAGNETIC SYSTEM HAVING A SECOND CORE WITH AT LEAST ONE POLE SHOE AND HAVING SECOND COIL MEANS ARRANGED ON SAID SECOND CORE; SAID TWO SYSTEMS BEING SO ARRANGED THAT THE POLE SHOE OF ONE SYSTEM IS FACING THE SPACE BETWEEN TWO POLES OF SAID ROTOR WHEN SAID POLE SHOE OF SAID OTHER SYSTEM IS FACING ANOTHER POLE OF SAID ROTOR; A FIRST CIRCUIT COMPRISING IN SERIAL ARRANGEMENT A CAPACITOR, A RESISTOR, AND SAID FIRST COIL MEANS; A SECOND CIRCUIT IN SERIAL ARRANGEMENT COMPRISING AN IN-
References Cited (Backward Citations)
US1735623A
Cited
US2527023A
Cited
US2511698A
Cited
US2659853A
Cited
US2780764A
Cited
US2844316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |