Patent US3413904A successfully refreshed from Google Patents.
US3413904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film processor
Assignee: Visual Graphics Corp
•
Filing: 1965-09-07
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Granted: 1968-12-03
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Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 Friedel Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:44
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1900825A
Cited
US1607440A
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US1656522A
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GB693644A
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US2927503A
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US2977868A
Cited
US3067667A
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US3192845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |