Patent US3166245A successfully refreshed from Google Patents.
US3166245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric revolution counter
Assignee: Mannesmann VDO AG
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Filing: 1964-03-05
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Granted: 1965-01-19
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Expires: 1984-03-05
Abstract
No abstract record available.
Inventors
- 👤 Maschke Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:28
CPC Classifications
H; H03; H03K; H03K21/00; H03K21/02; G; G01; G01C; G01C22/00; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/48; G06; G06M; G06M1/00; G06M1/27; G06M1/276; G07; G07B; G07B13/00; G07B13/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
AN ELECTRIC REVOLUTION COUNTER, PARTICULARLY A COUNTER OF COVERED DISTANCES BY AUTOMOTIVE VEHICLES, COMPRISING AN IMPULSE SENDER INCLUDING A DRIVEN SHAFT, A COUNTER MECHANISM, INCLUDING A COUNTER, TWO FEEDING LINES FOR ALTERNATE CONNECTION OF SAID IMPULSE SENDER WITH SAID COUNTER MECHANISM, SAID COUNTER MECHANISM INCLUDING AN ELECTRIC MOTOR, SAID ELECTRIC MOTOR DRIVING STEPWISE SAID COUNTER AND BEING CONTROLLED BY SAID IMPULSE SENDER IN RESPONSE TO PREDETERMINED NUMBER OF REVOLUTIONS OF SAID DRIVEN SHAFT, A FIRST SWITCHING CONTACT COORDINATED TO SAID IMPULSE SENDER, A SECOND SWITCHING CONTACT COORDINATED TO SAID COUNTER MECHANISM, SAID SWITCHING CONTACTS SWITCHING ALTERNATELY SAID ELECTRIC MOTOR FROM ONE TO THE OTHER OF SAID FEEDING LINES, SAID FIRST SWITCHING CONTACT SWITCHING ON SAID ELECTRIC MOTOR ALTERNATELY TO ONE OF SAID FEEDING LINES WITHIN A CYCLE OF PREDETERMINED NUMBERS OF REVOLUTIONS, AND SAID SECOND SWITCHING CONTACT AUTOMATICALLY DISCONNECTING SAID ELECTRIC MOTOR FROM SAID ONE OF SAID FEEDING LINES UPON FURTHER ROTATION OF SAID COUNTER FOR ONE COUNTING STEP CORRESPONDING WITH THE VALUE OF THE PREDETERMINED NUMBER OF REVOLUTIONS AND SWITCHING OVER TO THE OTHER OF SAID FEEDING LINES FOR THE PREPARATION OF THE NEXT COUNTING STEP.
Claim 2
Dependent Claim
187 words
AN ELECTRIC REVOLUTION COUNTER, PARTICULARLY A COUNTER OF COVERED DISTANCES BY AUTOMOTIVE VEHICLES, COMPRISING AN IMPULSE SENDER INCLUDING A DRIVEN SHAFT, A COUNTER MECHANISM, INCLUDING A COUNTER, TWO FEEDING LINES FOR ALTERNATE CONNECTION OF SAID IMPULSE SENDER WITH SAID COUNTER MECHANISM, SAID COUNTER MECHANISM INCLUDING AN ELECTRIC MOTOR, SAID ELECTRIC MOTOR DRIVING STEPWISE SAID COUNTER AND BEING CONTROLLED BY SAID IMPULSE SENDER IN RESPONSE TO PREDETERMINED NUMBER OF REVOLUTIONS OF SAID DRIVEN SHAFT, A FIRST SWITCHING CONTACT COORDINATED TO SAID IMPULSE SENDER, A SECOND SWITCHING CONTACT COORDINATED TO SAID COUNTER MECHANISM, SAID SWITCHING CONTACTS SWITCHING ALTERNATELY SAID ELECTRIC MOTOR FROM ONE TO THE OTHER OF SAID FEEDING LINES, SAID FIRST SWITCHING CONTACT SWITCHING ON SAID ELECTRIC MOTOR ALTERNATELY TO ONE OF SAID FEEDING LINES WITHIN A CYCLE OF PREDETERMINED NUMBERS OF REVOLUTIONS, AND SAID SECOND SWITCHING CONTACT AUTOMATICALLY DISCONNECTING SAID ELECTRIC MOTOR FROM SAID ONE OF SAID FEEDING LINES UPON FURTHER ROTATION OF SAID COUNTER FOR ONE COUNTING STEP CORRESPONDING WITH THE VALUE OF THE PREDETERMINED NUMBER OF REVOLUTIONS AND SWITCHING OVER TO THE OTHER OF SAID FEEDING LINES FOR THE PREPARATION OF THE NEXT COUNTING STEP.
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) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |