US3569857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for achieving chemical equilibrium in a sealed-off co{d 2 laser
Assignee: Boeing North American Inc
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Filing: 1968-03-13
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Granted: 1971-03-09
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Expires: 1988-03-13
Abstract
Abstract Chemical equilibrium and optimum operation in a sealed-off CO2 gas laser is maintained by replenishing the CO2 lost by dissociation into CO and O2 either directly by providing a source and getter arrangement inside the laser tube or by replenishing the O2 lost by reaction with oxygen gettering surfaces in the laser cavity by placing an oxygen yielding compound in the laser cavity which will react with the CO to product CO2.
Inventors
- 👤 John A Macken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:29
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/14; H01S3/22; H01S3/223; H01S3/2232
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
In combination, a sealed-off gas laser comprising carbon dioxide gas in a discharge tube including self-contained means integral with said laser, said self-contained means comprising an oxygen yielding compound having the property to react with the carbon monoxide present in the discharge tube for continually replenishing the carbon dioxide gas therein.
Claim 2
Dependent Claim
74 words
In a laser comprising the improvement of a sealed-off gas laser containing carbon dioxide gas in a discharge tube including self-contained means integral with said laser, said self-contained means comprising an oxygen yielding compound having the property to react with the carbon monoxide present in the discharge tube for continually replenishing the carbon dioxide gas therein, said oxygen yielding compound is selected from the group consisting of Ag2O, MnO2, KC103, Na2O2, Cu2O and Hg2O.
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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |