Patent US3171744A successfully refreshed from Google Patents.
US3171744A
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Method of forming latent and visible vesicular images in refractive image films
Assignee: Individual
•
Filing: 1962-02-23
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Granted: 1965-03-02
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Expires: 1982-02-23
Abstract
No abstract record available.
Inventors
- 👤 Warner L Peticolas
- 👤 Vahtra Ulo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:14
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/60; B; B41; B41M; B41M5/00; B41M5/26; B41M5/28; B41M5/288; Y; Y10; Y10S; Y10S430/00; Y10S430/145; Y10S430/167; Y10S430/168
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB645825A
Cited
US2703756A
Cited
US2911299A
Cited
GB850954A
Cited
US2976145A
Cited
US3120437A
Cited
GB877842A
Cited
US3091532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |