Patent US3081431A successfully refreshed from Google Patents.
US3081431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Audio readout unit for a digital voltmenter
Assignee: Cubic Corp
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Filing: 1960-02-08
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Granted: 1963-03-12
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Expires: 1980-02-08
Abstract
No abstract record available.
Inventors
- 👤 Robert V Werner
- 👤 Ernest S Levy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:26
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/25; G01R19/2503
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN COMBINATION: A SERIES OF STEPPING SWITCHES, EACH OF SAID STEPPING SWITCHES INCLUDING A PLURALITY OF CONTACT POINTS AND A SWITCH ARM MAKING CONTACT WITH ONE OF SAID PLURALITY OF CONTACT POINTS, SAID PLURALITY OF CONTACT POINTS REPRESENTING A PLURALITY OF DECIMAL DIGIT VALUES, RESPECTIVELY, THE SERIES OF CONTACT POINTS CONTACTED BY THE SWITCH ARMS OF SAID SERIES OF STEPPING SWITCHES, RESPECTIVELY, REPRESENTING THE OVERALL DIGITAL NUMERICAL VALUE OF AN INPUT QUANTITY; A PLURALITY OF READOUT MECHANISMS CORRESPONDING TO THE PLURALITY OF CONTACT POINTS, RESPECTIVELY, EACH OF SAID READOUT MECHANISMS INCLUDING AN INPUT TERMINAL AND BEING RESPONSIVE TO AN ENERGIZATION APPLIED TO ITS INPUT TERMINAL FOR PRODUCING AN AUDIO READOUT CORRESPONDING TO THE VALUE REPRESENTED BY ITS ASSOCIATED CONTACT POINT; MEANS FOR ELECTRICALLY COUPLING EACH OF THE CONTACT POINTS OF EACH OF SAID SERIES OF STEPPING SWITCHES
Claim 2
Dependent Claim
137 words
IN COMBINATION: A SERIES OF STEPPING SWITCHES, EACH OF SAID STEPPING SWITCHES INCLUDING A PLURALITY OF CONTACT POINTS AND A SWITCH ARM MAKING CONTACT WITH ONE OF SAID PLURALITY OF CONTACT POINTS, SAID PLURALITY OF CONTACT POINTS REPRESENTING A PLURALITY OF DECIMAL DIGIT VALUES, RESPECTIVELY, THE SERIES OF CONTACT POINTS CONTACTED BY THE SWITCH ARMS OF SAID SERIES OF STEPPING SWITCHES, RESPECTIVELY, REPRESENTING THE OVERALL DIGITAL NUMERICAL VALUE OF AN INPUT QUANTITY; A PLURALITY OF READOUT MECHANISMS CORRESPONDING TO THE PLURALITY OF CONTACT POINTS, RESPECTIVELY, EACH OF SAID READOUT MECHANISMS INCLUDING AN INPUT TERMINAL AND BEING RESPONSIVE TO AN ENERGIZATION APPLIED TO ITS INPUT TERMINAL FOR PRODUCING AN AUDIO READOUT CORRESPONDING TO THE VALUE REPRESENTED BY ITS ASSOCIATED CONTACT POINT; MEANS FOR ELECTRICALLY COUPLING EACH OF THE CONTACT POINTS OF EACH OF SAID SERIES OF STEPPING SWITCHES
References Cited (Backward Citations)
US2362918A
Cited
US2435066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |