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Patent US3477369A successfully refreshed from Google Patents.
US3477369A
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Electrostatically assisted intaglio printing
Assignee: Hurletron Inc
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Filing: 1967-05-04
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Granted: 1969-11-11
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Expires: 1987-05-04
Abstract
No abstract record available.
Inventors
- 👤 Robert G Adamson
- 👤 Charles H Angell
- 👤 Jay C Roote
- 👤 Joel F Hutchison
- 👤 Daniel A Coberley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:20
CPC Classifications
B; B41; B41F; B41F9/00; B41F9/001; B41F13/00; B41F13/08; B41F13/18; B41F13/187; B41M; B41M1/00; B41M1/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US162650A
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US2141403A
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US2212820A
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US2520504A
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US2558900A
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US2558901A
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US2590321A
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US3295441A
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US3339484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |