US2930845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal duplicator apparatus
Assignee: Individual
•
Filing: 1955-07-20
•
Granted: 1960-03-29
•
Expires: 1975-07-20
Abstract
No abstract record available.
Inventors
- 👤 Yonemoto Akira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:58
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/20; G03F7/2002; G03F7/2014; G03F7/2016; G03F7/2018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1593639A
Cited
US2163543A
Cited
US2213876A
Cited
US2262584A
Cited
US2287413A
Cited
US2510200A
Cited
US2709716A
Cited
US2546466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |