US3438773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible transparent electrophotographic film and method of development of said film
Assignee: Panasonic Holdings Corp
•
Filing: 1965-10-04
•
Granted: 1969-04-15
•
Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 Yoshiki Hayashi
- 👤 Hikofumi Oido
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:45
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/14; G03G5/142; G03G13/00; G03G13/06; G03G13/08; G03G13/09; G03G5/10; G03G5/104; G03G5/147; G03G5/14708; G03G5/14713; G03G5/14717; G03G5/14721; G03G5/14726; G03G5/1473; G03G5/14747; G03G5/1476; G03G9/00; G03G9/08; G03G9/10; G03G9/107; G03G9/1075; G03G9/113; G03G9/1132; G03G9/1133; G03G9/1134; G03G9/1135; G03G9/1136; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2663636A
Cited
US2756165A
Cited
US2857271A
Cited
US2986467A
Cited
BE598591A
Cited
US3338710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |