US3783404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas laser
Assignee: NEC Corp
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Filing: 1971-12-20
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Granted: 1974-01-01
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Expires: 1991-12-20
Abstract
Abstract A gas laser comprises a gas laser tube, an inner mirror having a fixed position within the tube, an outer mirror disposed outside the tube, and a side plate. The tube is pivotally coupled to the side plate. The tube is supported and prevented from moving pivotally whereby the angle of the inner mirror with respect to the outer mirror is adjusted.
Inventors
- 👤 T Matsuoka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:58
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/08; H01S3/02; H01S3/086
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
69 words
A gas laser comprising a gas laser tube, an inner mirror fixedly secured to the tube, an outer mirror disposed outside the tube, a side plate, coupling means for pivotally connecting the tube to the side plate, and adjustment means for supporting the tube and preventing pivotal movement thereof from a selected position whereby the angle of the inner mirror with respect to the outer mirror can be adjusted.
Claim 2
Dependent Claim
69 words
A gas laser comprising a gas laser tube, an inner mirror fixedly secured to the tube, an outer mirror disposed outside the tube, a side plate, coupling means for pivotally connecting the tube to the side plate, and adjustment means for supporting the tube and preventing pivotal movement thereof from a selected position whereby the angle of the inner mirror with respect to the outer mirror can be adjusted.
Claim 3
Dependent Claim
22 words
The laser of claim 1 wherein the connecting means comprises at least a hemisphere positioned between the side plate and the tube.
Claim 4
Dependent Claim
22 words
The laser of claim 1 wherein the connecting means comprises a sphere that is engaged by the side plate and the tube.
Claim 5
Dependent Claim
33 words
The laser of claim 1 wherein the connecting means comprises a sphere that is engaged by the side plate and the tube, and a spring that urges the tube toward the side plate.
Claim 6
Dependent Claim
29 words
The laser of claim 1 wherein the means for supporting the tube and preventing pivotal movement thereof comprises at least three screws that engage the sides of the tube.
References Cited (Backward Citations)
US3566302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |