Patent US3818213A successfully refreshed from Google Patents.
US3283262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical maser operating in the tmon mode
Assignee: AT&T Inc
•
Filing: 1963-05-01
•
Granted: 1966-11-01
•
Expires: 1983-05-01
Abstract
No abstract record available.
Inventors
- 👤 Enrique A J Marcatili
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:11
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/08; H01S3/08018; H01S3/0804; H01S3/08045; H01S3/02; H01S3/03; H01S3/06; H01S3/0602; H01S3/0615; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093; H01S3/097; H01S3/0975; H01S3/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A SOURCE OF OPTICAL FREQUENCY ELECTROMAGNETIC WAVE ENERGY IN A TMON WAVE MODE COMPRISING AN ELONGATED SOLID NEGATIVE TEMPERATURE MEDIUM HAVING A CENTRAL AXIS, AND FIRST AND SECOND EXTERNAL REFLECTING SURFACE PASTIONED ON SIAD AXIS AND NORMAL THERETO, SAID MEDIUM BEING DISPOSED BETWEEN SAID SURFACES, AND A DIELECTRIC INTERFACE IN THE SHAPE OF A CONE OF
Claim 2
Dependent Claim
56 words
A SOURCE OF OPTICAL FREQUENCY ELECTROMAGNETIC WAVE ENERGY IN A TMON WAVE MODE COMPRISING AN ELONGATED SOLID NEGATIVE TEMPERATURE MEDIUM HAVING A CENTRAL AXIS, AND FIRST AND SECOND EXTERNAL REFLECTING SURFACE PASTIONED ON SIAD AXIS AND NORMAL THERETO, SAID MEDIUM BEING DISPOSED BETWEEN SAID SURFACES, AND A DIELECTRIC INTERFACE IN THE SHAPE OF A CONE OF
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) | 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 |