US3137827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
pierce
Assignee: —
•
Filing: —
•
Granted: 1964-06-16
•
Expires: 1981-06-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:49
CPC Classifications
H; H01; H01S; H01S5/00; H01S5/10; H01S5/14; H01S5/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
AN OPTICAL MASER COMPRISING TWO SPACED APART REFLECTORS AT LEAST ONE OF WHICH IS CONCAVE AND AT LEAST ONE OF WHICH POSSESES A REFLECTION COEFFICIENT OF LESS THAN UNITY TO PERMIT THE OBTAINING OF COHERENT RADIATION FROM THE CAVITY DEFINED BY SAID REFLECTORS, SAID REFLECTORS ALIGNED FACING ONE ANOTHER AND SPACED APART BY A DISTANCE GIVEN BY THE RELATION:
Claim 2
Dependent Claim
59 words
AN OPTICAL MASER COMPRISING TWO SPACED APART REFLECTORS AT LEAST ONE OF WHICH IS CONCAVE AND AT LEAST ONE OF WHICH POSSESES A REFLECTION COEFFICIENT OF LESS THAN UNITY TO PERMIT THE OBTAINING OF COHERENT RADIATION FROM THE CAVITY DEFINED BY SAID REFLECTORS, SAID REFLECTORS ALIGNED FACING ONE ANOTHER AND SPACED APART BY A DISTANCE GIVEN BY THE RELATION:
References Cited (Backward Citations)
US3055257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |