US3375593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film processing apparatus
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1965-07-12
•
Granted: 1968-04-02
•
Expires: 1985-07-12
Abstract
No abstract record available.
Inventors
- 👤 Marvin B Fleisher
- 👤 Philip E Hixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:53
CPC Classifications
G; G03; G03D; G03D5/00; G03D5/04; G03D15/00; G03D15/02; G03D15/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1845296A
Cited
US2748677A
Cited
US2884711A
Cited
US2842865A
Cited
US3000288A
Cited
US3096701A
Cited
GB909788A
Cited
US3095798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |