US3408656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and appartus for recording composite diffraction grating pattern
Assignee: Eastman Kodak Co
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Filing: 1966-05-18
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Granted: 1968-10-29
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Expires: 1986-05-18
Abstract
No abstract record available.
Inventors
- 👤 Robert L Lamberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/18; G02F; G02F1/00; G02F1/29; G02F1/31; G03; G03H; G03H1/00; G03H1/26; G06; G06K; G06K1/00; G06K1/12; G06K1/126; G11; G11C; G11C13/00; G11C13/04; G11C13/042
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) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |