Patent US2447893A successfully refreshed from Google Patents.
Patent US2586047A successfully refreshed from Google Patents.
US2586047A
Expired / Lapsed
US
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Electronographic printing apparatus
Assignee: Individual
•
Filing: 1947-08-13
•
Granted: 1952-02-19
•
Expires: 1967-08-13
Abstract
No abstract record available.
Inventors
- 👤 William C Huebner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:24
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/12; B41M1/125; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US751947A
Cited
US1337530A
Cited
US1575508A
Cited
US1820194A
Cited
US1856181A
Cited
US2152077A
Cited
US2224391A
Cited
GB602985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |