US2758256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric circuit components
Assignee: TECHNOGRAPH PRINTED CIRCUITS L
•
Filing: 1952-09-30
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Granted: 1956-08-07
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Expires: 1972-09-30
Abstract
No abstract record available.
Inventors
- 👤 Eisler Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:47
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/16; H05K1/167; H01; H01C; H01C17/00; H01C17/22; H01C17/23; H01C7/00; H05K1/162; H05K2203/00; H05K2203/17; H05K2203/171; H05K2203/175; H05K3/00; H05K3/10; H05K3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1794831A
Cited
US2216558A
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US2216559A
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US2474988A
Cited
US2464377A
Cited
US2611040A
Cited
US2493199A
Cited
US2613252A
Cited
US2629166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |