US3547724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for producing printed circuits
Assignee: Rogers Corp
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Filing: 1967-02-07
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Granted: 1970-12-15
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Expires: 1987-02-07
Abstract
No abstract record available.
Inventors
- 👤 John A Zagusta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:49
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/02; H05K3/04; H05K3/041; H05K2203/00; H05K2203/01; H05K2203/0104; H05K2203/0108; H05K3/38; H05K3/386; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057; Y10T156/1062; Y10T156/1064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |