US2864156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a printed circuit
Assignee: Individual
•
Filing: 1953-04-17
•
Granted: 1958-12-16
•
Expires: 1973-04-17
Abstract
No abstract record available.
Inventors
- 👤 Donald K Cardy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:57
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/46; H05K3/4644; H05K3/4664; H05K1/00; H05K1/02; H05K1/09; H05K1/092; H05K1/095; H05K2203/00; H05K2203/06; H05K2203/063; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49005; Y10T29/49117; Y10T29/49124; Y10T29/49155; Y10T29/49826; Y10T29/49885; Y10T29/4998; Y10T29/49993
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1563731A
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US1755934A
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GB515354A
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US2270166A
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US2441960A
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US2474988A
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US2502291A
Cited
US2512162A
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US2492236A
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US2611040A
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US2616994A
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US2703377A
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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) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |