Patent US1006783A successfully refreshed from Google Patents.
Patent US3270189A successfully refreshed from Google Patents.
US3270189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for determining an angle from a set of orthogonal components
Assignee: Individual
•
Filing: 1961-07-07
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Granted: 1966-08-30
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Expires: 1981-07-07
Abstract
No abstract record available.
Inventors
- 👤 Herbert D Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:59
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G06; G06G; G06G7/00; G06G7/12; G06G7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A DEVICE FOR MEASURING THE ANGLE OF A RADIUS VECTOR, A FIRST INPUT TERMINAL, A FIRST PARALLEL RESONANT CIRCUIT, A NORMALLY-CLOSED GATE CONNECTED BETWEEN SAID FIRST TERMINAL AND SAID FIRST RESONANT CIRCUIT, A SECOND PARALLEL RESONANT CIRCUIT COMPRISING AN INDUCTOR, A CAPACITOR AND A NORMALLY-OPEN GATE CONNECTED IN A LOOP, A SECOND INPUT TERMINAL CONNECTED TO SAID SECOND RESONANT CIRCUIT, A DIFFERENCING NETWORK CONNECTED BETWEEN SAID FIRST AND SECOND RESONANT CIRCUIT AND PHASE MEASURING MEANS CONNECTED TO THE OUTPUT OF SAID DIFFERENCING NETWORK.
Claim 2
Dependent Claim
84 words
IN A DEVICE FOR MEASURING THE ANGLE OF A RADIUS VECTOR, A FIRST INPUT TERMINAL, A FIRST PARALLEL RESONANT CIRCUIT, A NORMALLY-CLOSED GATE CONNECTED BETWEEN SAID FIRST TERMINAL AND SAID FIRST RESONANT CIRCUIT, A SECOND PARALLEL RESONANT CIRCUIT COMPRISING AN INDUCTOR, A CAPACITOR AND A NORMALLY-OPEN GATE CONNECTED IN A LOOP, A SECOND INPUT TERMINAL CONNECTED TO SAID SECOND RESONANT CIRCUIT, A DIFFERENCING NETWORK CONNECTED BETWEEN SAID FIRST AND SECOND RESONANT CIRCUIT AND PHASE MEASURING MEANS CONNECTED TO THE OUTPUT OF SAID DIFFERENCING NETWORK.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |