US3238359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-mechanical counter
Assignee: DURANT Manufacturing CO
•
Filing: 1963-05-16
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Granted: 1966-03-01
•
Expires: 1983-05-16
Abstract
No abstract record available.
Inventors
- 👤 Robert E Einem
- 👤 Enno A Knief
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:45
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/27; G06M1/276
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
AN ELECTRIC-MECHANICAL COUNTER ADAPTED TO COUNT INPUT PULSES COMPRISING, ELECTRO-MAGNETIC MEANS FOR RECEPTION OF THE INPUT PULSES, STEPPING MECHANISM OPERATED BY SAID ELECTRO-MAGNETIC MEANS, A RATCHET WHEEL DRIVEN BY SAID STEPPING MECHANISM, A LARGE GEAR MOUNTED ON AND MOVABLE WITH SAID RATCHET WHEEL, A SMALL GEAR ENGAGED WITH AND DRIVEN BY SAID LARGE GEAR, A NUMBER WHEEL MOUNTED ON AND MOVABLE WITH SAID SMALL GEAR, A PRINTED READOUT CIRCUIT IN JUXTAPOSITION TO SAID RATCHET WHEEL HAVING A 360* PRINTED CIRCUIT WITH A 180* BUS PAD AND A PLURALITY OF SPACED READOUT PADS IN THE REMAINDER OF SAID 360* PRINTED CIRCUIT EQUAL IN NUMBER TO THE NUMBER OF INPUT PULSES REQUIRED FOR ONE REVOLUTION OF SAID NUMBER WHEEL, AND A WIPER BLADE MOUNTED ON AND CARRIED BY SAID RATCHET WHEEL, SAID BLADE HAVING DIAMETRICALLY SPACED CONTACTS WITH ONE CONTACT ENGAGING SAID BUS PAD AND THE OTHER CONTACT ENGAGING SAID READOUT PADS.
Claim 2
Dependent Claim
150 words
AN ELECTRIC-MECHANICAL COUNTER ADAPTED TO COUNT INPUT PULSES COMPRISING, ELECTRO-MAGNETIC MEANS FOR RECEPTION OF THE INPUT PULSES, STEPPING MECHANISM OPERATED BY SAID ELECTRO-MAGNETIC MEANS, A RATCHET WHEEL DRIVEN BY SAID STEPPING MECHANISM, A LARGE GEAR MOUNTED ON AND MOVABLE WITH SAID RATCHET WHEEL, A SMALL GEAR ENGAGED WITH AND DRIVEN BY SAID LARGE GEAR, A NUMBER WHEEL MOUNTED ON AND MOVABLE WITH SAID SMALL GEAR, A PRINTED READOUT CIRCUIT IN JUXTAPOSITION TO SAID RATCHET WHEEL HAVING A 360* PRINTED CIRCUIT WITH A 180* BUS PAD AND A PLURALITY OF SPACED READOUT PADS IN THE REMAINDER OF SAID 360* PRINTED CIRCUIT EQUAL IN NUMBER TO THE NUMBER OF INPUT PULSES REQUIRED FOR ONE REVOLUTION OF SAID NUMBER WHEEL, AND A WIPER BLADE MOUNTED ON AND CARRIED BY SAID RATCHET WHEEL, SAID BLADE HAVING DIAMETRICALLY SPACED CONTACTS WITH ONE CONTACT ENGAGING SAID BUS PAD AND THE OTHER CONTACT ENGAGING SAID READOUT PADS.
References Cited (Backward Citations)
US3012719A
Cited
US2090103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |