US3468596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized zoom optical device
Assignee: Optical Research and Development Corp
•
Filing: 1966-01-26
•
Granted: 1969-09-23
•
Expires: 1986-01-26
Abstract
No abstract record available.
Inventors
- 👤 Luis W Alvarez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:09
CPC Classifications
G; G02; G02B; G02B15/00; G02B15/14; G02B27/00; G02B27/64; G02B27/646
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1863558A
Cited
FR893782A
Cited
US2829557A
Cited
US2570130A
Cited
US2811042A
Cited
US2939363A
Cited
GB1015916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |