Patent US3234844A successfully refreshed from Google Patents.
US3234844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsionally driven scanning mirror
Assignee: INFRARED IND Inc
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Filing: 1961-06-14
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Granted: 1966-02-15
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Expires: 1981-06-14
Abstract
No abstract record available.
Inventors
- 👤 David L Fain
- 👤 Edward J Niziolek
- 👤 Willigman John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:25
CPC Classifications
G; G02; G02B; G02B17/00; G02B17/02; G02B17/06; G02B26/00; G02B26/08; G02B26/10; G02B26/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |