US3526708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic through-field apparatus and process for printing by imbedding particles in a record medium
Assignee: Individual
•
Filing: 1965-11-09
•
Granted: 1970-09-01
•
Expires: 1985-11-09
Abstract
No abstract record available.
Inventors
- 👤 Alfred F Leatherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:15
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/50; H04N1/506; G; G03; G03G; G03G15/00; G03G15/22; G03G15/34; G03G15/344; G03G19/00; G06; G06K; G06K1/00; G06K1/12; G06K15/00; G06K15/02; G06K15/14; H04N1/024; H04N1/032; H04N1/0326; H04N1/04; H04N1/19; H04N1/191; H04N1/192; H04N1/193; H04N1/195; H04N1/19505; H04N1/1951; H04N1/19515; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB733484A
Cited
US2716826A
Cited
US3161544A
Cited
US3389398A
Cited
US3355743A
Cited
US3279367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |