US3377938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Short run film developer system
Assignee: JEROME A PATTERSON
•
Filing: 1966-12-09
•
Granted: 1968-04-16
•
Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Jerome A Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:47
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02; G03D13/04; G03D13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2287742A
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US2401185A
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US2631511A
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US2651245A
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US2614472A
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US2825272A
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US3000288A
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US2909979A
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US3088391A
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US3087405A
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US3299790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |