US3277818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic stencil apparatus for matrix printers
Assignee: General Micro Electronics Inc
•
Filing: 1964-12-28
•
Granted: 1966-10-11
•
Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 George W Cone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:28
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/385; B41J2/41; B41J2/485; B41J2/50; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2248522A
Cited
US2715360A
Cited
US2763204A
Cited
US2930847A
Cited
US2919171A
Cited
US3081698A
Cited
US3112693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |