Patent US3740763A successfully refreshed from Google Patents.
Patent US2785280A successfully refreshed from Google Patents.
US2785280A
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Printed electric circuits and electric circuit components
Assignee: TECHNOGRAPH PRINTED CIRCUITS L
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Filing: 1953-07-23
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Granted: 1957-03-12
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Expires: 1973-07-23
Abstract
No abstract record available.
Inventors
- 👤 Eisler Paul
- 👤 Hauser Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:31
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/02; H05K3/08; B; B23; B23H; B23H1/00; H05K3/10; H05K3/20; H05K2203/00; H05K2203/01; H05K2203/0104; H05K2203/0117; H05K2203/0121; H05K2203/0147; H05K2203/0152; H05K3/06; H05K3/061; H05K3/062; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155; Y10T29/49165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2385246A
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US2388069A
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US2441960A
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US2481951A
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US2458871A
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GB637793A
Cited
US2637766A
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US2683792A
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US2628330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |