Patent GB250412A successfully refreshed from Google Patents.
Patent US3402659A successfully refreshed from Google Patents.
US3402659A
Expired / Lapsed
US
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Electrical printing processes employing two fields of different strengths
Assignee: OI Glass Inc
•
Filing: 1966-08-29
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Granted: 1968-09-24
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Expires: 1986-08-29
Abstract
No abstract record available.
Inventors
- 👤 William E Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:36
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)
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US3218968A
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US3245341A
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US3253540A
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US3285167A
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US3295440A
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US3306193A
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US3307477A
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US3294017A
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US3301179A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |