Patent US3544201A successfully refreshed from Google Patents.
US3544201A
Expired / Lapsed
US
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Optical beam deflector
Assignee: Verizon Laboratories Inc
•
Filing: 1968-01-02
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Granted: 1970-12-01
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Expires: 1988-01-02
Abstract
No abstract record available.
Inventors
- 👤 Vernon J Fowler
- 👤 John Schlafer
- 👤 William R Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:53
CPC Classifications
G; G02; G02B; G02B26/00; G02B26/08; G02B26/0816
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR601732A
Cited
US1760198A
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US2012797A
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US2137188A
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US2746352A
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US2920529A
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US2758499A
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US3110824A
Cited
US3349174A
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US3347615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |