Patent US3366439A successfully refreshed from Google Patents.
US3366439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illumination and shuttering in high speed photography
Assignee: Beckman and Whitley Inc
•
Filing: 1965-05-10
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Granted: 1968-01-30
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Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Willard E Buck
- 👤 Thomas E Holland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:11
CPC Classifications
G; G03; G03B; G03B39/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3029685A
Cited
US3161885A
Cited
US2960380A
Cited
US3137758A
Cited
US3165752A
Cited
US3200410A
Cited
US3154371A
Cited
US3181170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |