Patent US3311845A successfully refreshed from Google Patents.
US3311845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Q-switching apparatus for a laser device
Assignee: American Optical Corp
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Filing: 1963-06-10
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Granted: 1967-03-28
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Charles J Koester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:27
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/06; H01S3/063; H01S3/067; H01S3/10; H01S3/11; H01S3/1123; H01S3/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A LASER STRUCTURE COMPRISING, IN COMBINATION, MEANS PROVIDING A RESONANT WAVE-ENERGY PROPAGATION PATH, SAID MEANS INCLUDING AN ACTIVE LASER ELEMENT HAVING A PROPAGATION PATH PORTION FORMED OF A FIRST MATERIAL TRANSMISSIVE TO LASER EMISSIVE LIGHT ENERGY WITH A SMOOTH SURFACE AREA AGAINST WHICH LASER EMISSIVE LIGHT ENERGY PROPAGATING THROUGH SAID PORTION IN SAID PATH IMPINGES AT AN OBLIQUE ANGLE; A BODY OF A SECOND MATERIAL TRANSMISSIVE TO SAID LIGHT ENERGY INTIMATELY ENGAGING SAID SMOOTH SURFACE AREA OF SAID PROPAGATION PATH PORTION; AT LEAST ONE OF SAID FIRST AND SECOND MATERIALS EXHIBITING FOR AN ELEC-
Claim 2
Dependent Claim
94 words
A LASER STRUCTURE COMPRISING, IN COMBINATION, MEANS PROVIDING A RESONANT WAVE-ENERGY PROPAGATION PATH, SAID MEANS INCLUDING AN ACTIVE LASER ELEMENT HAVING A PROPAGATION PATH PORTION FORMED OF A FIRST MATERIAL TRANSMISSIVE TO LASER EMISSIVE LIGHT ENERGY WITH A SMOOTH SURFACE AREA AGAINST WHICH LASER EMISSIVE LIGHT ENERGY PROPAGATING THROUGH SAID PORTION IN SAID PATH IMPINGES AT AN OBLIQUE ANGLE; A BODY OF A SECOND MATERIAL TRANSMISSIVE TO SAID LIGHT ENERGY INTIMATELY ENGAGING SAID SMOOTH SURFACE AREA OF SAID PROPAGATION PATH PORTION; AT LEAST ONE OF SAID FIRST AND SECOND MATERIALS EXHIBITING FOR AN ELEC-
References Cited (Backward Citations)
DE674294C
Cited
US3208342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |