Patent US3145226A successfully refreshed from Google Patents.
Patent US3283164A successfully refreshed from Google Patents.
US3283164A
Expired / Lapsed
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Devices utilizing lithium meta-gallate
Assignee: AT&T Inc
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Filing: 1963-12-19
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Granted: 1966-11-01
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Expires: 1983-12-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Remeika
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:44
CPC Classifications
C; C30; C30B; C30B29/00; C30B29/10; C30B29/16; C30B29/22; B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; C01; C01G; C01G15/00; C09; C09K; C09K11/00; C09K11/08; C09K11/62; C30B15/00; C30B9/00; G; G02; G02F; G02F1/00; G02F1/0009; G02F1/0018; G02F1/35; G02F1/355; G02F1/3551; H; H01; H01B; H01B3/00; H01B3/02; H01S; H01S3/00; H01S3/14; H01S3/16; H03; H03H; H03H9/00; H03H9/02; H03H9/125; H03H9/13; H03H9/133; H03H9/30; H03H9/36; H04; H04R; H04R17/00; H04R17/04; H04R17/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
DEVICE COMPRISING A SINGLE CRYSTAL CONSISTING ESSENTIALLY OF LIGAO2, TOGETHER WITH MEANS FOR APPLYING AN ALTERNATING ELECTROSTATIC FIELD ACROSS AT LEAST A PORTION OF THE AID CRYSTAL, MEANS FOR IRRADIATING A SURFACE OF THE SAID CRYSTAL WITH A BEAM OF PLANE POLARIZED ELECTROMAGNETIC RADIATION, AND MEANS FOR DETECTING A TRANSMITTER BEAM OF ELECTROMAGNETIC RADIATION.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |