US3201709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tunable optical resonator for harmonic generation and parametric amplification
Assignee: AT&T Inc
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Filing: 1963-12-19
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Granted: 1965-08-17
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Expires: 1983-12-19
Abstract
No abstract record available.
Inventors
- 👤 Gary D Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:47
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/45; H03K3/47; G; G02; G02F; G02F1/00; G02F1/35; G02F1/37; G02F1/353; G02F1/3542
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A TUNABLE RESONATOR COMPRISING: A PAIR OF CURVED, PARTIALLY TRANSPARENT MIRRORS OF GIVEN RADIUS OF CURVATURE WHOSE CENTERS OF CURVATURE LIE ALONG A COMMON AXIS; A NONLINEAR BIREFRINGENT CRYSTAL OF SPHERICAL SHAPE HAVING A GIVEN RADIUS DISPOSED BETWEEN SAID MIRRORS WITH ITS CENTER ALONG SAID AXIS; SAID CRYSTAL HAVING AT LEAST ONE OPTICAL AXIS; MEANS FOR ROTATING SAID SPHERE ABOUT ITS CENTER FOR VARY-
Claim 2
Dependent Claim
64 words
A TUNABLE RESONATOR COMPRISING: A PAIR OF CURVED, PARTIALLY TRANSPARENT MIRRORS OF GIVEN RADIUS OF CURVATURE WHOSE CENTERS OF CURVATURE LIE ALONG A COMMON AXIS; A NONLINEAR BIREFRINGENT CRYSTAL OF SPHERICAL SHAPE HAVING A GIVEN RADIUS DISPOSED BETWEEN SAID MIRRORS WITH ITS CENTER ALONG SAID AXIS; SAID CRYSTAL HAVING AT LEAST ONE OPTICAL AXIS; MEANS FOR ROTATING SAID SPHERE ABOUT ITS CENTER FOR VARY-
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |