Patent US2305862A successfully refreshed from Google Patents.
US2988839A
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Process for making a printed circuit
Assignee: Rogers Corp
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Filing: 1956-06-13
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Granted: 1961-06-20
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Expires: 1976-06-13
Abstract
No abstract record available.
Inventors
- 👤 Norman L Greenman
- 👤 John A Zagusta
- 👤 Paul L Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:28
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/38; H05K3/386; H05K3/02; H05K3/04; H05K3/041; H05K3/046; H05K2201/00; H05K2201/09; H05K2201/09009; H05K2201/09045; H05K2201/09118; H05K2203/00; H05K2203/01; H05K2203/0104; H05K2203/0108; H05K2203/02; H05K2203/025; H05K2203/05; H05K2203/0502; H05K2203/0522; H05K2203/0528; H05K2203/0548; H05K2203/0557; H05K3/10; H05K3/107; Y; Y10; Y10S; Y10S29/00; Y10S29/029; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1052; Y10T156/1054; Y10T156/1056; Y10T156/108; Y10T156/1082; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155
Claims Analysis
Total Claims: 0
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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) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |