Patent US2043781A successfully refreshed from Google Patents.
Patent US3372973A successfully refreshed from Google Patents.
US3372973A
Expired / Lapsed
US
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Two-dimensional beam scanning device
Assignee: RTX Corp
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Filing: 1965-02-08
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Granted: 1968-03-12
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 David E Flinchbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:07
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/106; H01S3/1068; G; G02; G02F; G02F1/00; G02F1/29; G02F1/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3121169A
Cited
US3297876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |