US3466172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of using photographic vesicular and diazo films having diazo antihalation layers
Assignee: International Business Machines Corp
•
Filing: 1967-01-13
•
Granted: 1969-09-09
•
Expires: 1987-01-13
Abstract
No abstract record available.
Inventors
- 👤 Eugene R Skarvinko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:29
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/60; G03C1/00; G03C1/76; G03C1/825
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3069268A
Cited
US3215529A
Cited
US3227555A
Cited
US3313626A
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US3370949A
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US3269839A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |