Patent US3233183A successfully refreshed from Google Patents.
US3233183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parametric amplifier using an acoustical wave to passively couple two electromagnetic waves having different velocities of propagation
Assignee: Individual
•
Filing: 1962-09-06
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Granted: 1966-02-01
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Expires: 1982-09-06
Abstract
No abstract record available.
Inventors
- 👤 Calvin F Quate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:49
CPC Classifications
H; H03; H03F; H03F7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PARAMETIC DEVICE COMPRISING MEANS FOR SUPPORTING A FIRST ELECTROMAGNECTIC WAVE FOR TRAVEL ALONG A PREDETERMINED PATH, SAID WAVE HAVING A FREQUENCY WS AND A PROPAGATION CONSTANT BS, MEANS FOR ESTABLISHING A FLOW OF CARRIERS, SAID CARRIERS BEING COUPLED TO SAID FIRST ELECTROMAGNETIC WAVE TO BE MODULATED THEREBY AND SERVING TO SUPPORT A SECOND ELECTROMAGNETIC WAVE HAVING A FREQUENCY WE, AND A PROPAGATION CONSTANT BE, AND CRYSTAL MEANS FOR SUPPORTING A THIRD WAVE COUPLED TO SAID CARRIERS SERVING TO INDEPENDENTLY MODULATED SAID CARRIERS, SAID THIRD WAVE HAVING A FREQUENCY WM AND A PROPAGATION CONSTANT BM, THE COUPLING BETWEEN SAID WAVES BEING GOVERNED BY THE RELATIONSHIPS
Claim 2
Dependent Claim
105 words
A PARAMETIC DEVICE COMPRISING MEANS FOR SUPPORTING A FIRST ELECTROMAGNECTIC WAVE FOR TRAVEL ALONG A PREDETERMINED PATH, SAID WAVE HAVING A FREQUENCY WS AND A PROPAGATION CONSTANT BS, MEANS FOR ESTABLISHING A FLOW OF CARRIERS, SAID CARRIERS BEING COUPLED TO SAID FIRST ELECTROMAGNETIC WAVE TO BE MODULATED THEREBY AND SERVING TO SUPPORT A SECOND ELECTROMAGNETIC WAVE HAVING A FREQUENCY WE, AND A PROPAGATION CONSTANT BE, AND CRYSTAL MEANS FOR SUPPORTING A THIRD WAVE COUPLED TO SAID CARRIERS SERVING TO INDEPENDENTLY MODULATED SAID CARRIERS, SAID THIRD WAVE HAVING A FREQUENCY WM AND A PROPAGATION CONSTANT BM, THE COUPLING BETWEEN SAID WAVES BEING GOVERNED BY THE RELATIONSHIPS
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |