US3553604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally stable apparatus for laser device
Assignee: Siemens AG
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Filing: 1968-08-14
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Granted: 1971-01-05
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Expires: 1988-08-14
Abstract
Abstract HEAT INSULATING MATERIAL IS UTILIZED TO COVER AT LEAST PART OF THE HOLDING STRUCTURE OF GOOD HEAT CONDUCTIVITY WICH SUPPORTS A LASER DEVICE IN A HOUSING OF GOOD HEAT CONDUCTIVITY. AN ANNULAR DIAPHRAGM AROUND PART OF THE LASER DEVICE DIRECTS HEAT PRODUCED IN THE LASER DEVICE TO THE HOUSING IN AT LEAST APPROXIMATELY ISOTROPIC ROTATIONAL SYMMETRY RELATIVE TO THE LASER AXIS.
Inventors
- 👤 Bernhard Andress
- 👤 Fritz Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:46
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/02; H01S3/04; H01S3/041
Claims Analysis
Total Claims: 0
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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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |