US3742378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for producing stimulated infrared emission an iraser by means of an electric discharge in a gas mixture which consists partly of carbon dioxide and discharge tube for such a device
Assignee: US Philips Corp
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Filing: 1971-11-03
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Granted: 1973-06-26
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Expires: 1991-11-03
Abstract
Abstract The invention relates to a device for producing stimulated infrared emission, an iraser, by means of an electric discharge in a gas mixture which mainly consists of carbon dioxide, nitrogen, helium and water vapour and in which the gas mixture is in contact with a quantity of zeolite which is partly saturated with water. The invention furthermore relates to an electric discharge tube for such a device.
Inventors
- 👤 A Timmermans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:24
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/14; H01S3/22; H01S3/223; H01S3/2232; H01J; H01J61/00; H01J61/02; H01J61/24; H01J61/28
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
17 words
A device as claimed in claim 1, further comprising a cooling jacket substantially surrounding said discharge tube.
Claim 2
Dependent Claim
19 words
A device as claimed in claim 1, wherein said first means further comprises heating means for heating said zeolite.
Claim 3
Dependent Claim
20 words
A device as claimed in claim 1, wherein said second means further comprises heating means for heating said vapor-producing material.
Claim 4
Dependent Claim
28 words
A device as claimed in claim 1, wherein the vapor-producing material is selected from a group of materials consisting of: urea nitrate, glycol dinitrate, nitroglycerin and oxamic acid.
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) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |