Patent US2904772A successfully refreshed from Google Patents.
US2904772A
Expired / Lapsed
US
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Printed circuit construction and method of making
Assignee: Admiral Corp
•
Filing: 1954-05-20
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Granted: 1959-09-15
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Expires: 1974-05-20
Abstract
No abstract record available.
Inventors
- 👤 Charles A Artz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:28
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/303; H01; H01R; H01R33/00; H01R33/74; H01R33/76; H01R33/7607; H01R33/7614; H01R33/7628; H05K3/32; H05K3/34; H05K3/341; H05K3/3421; H05K3/3426; H05K2201/00; H05K2201/09; H05K2201/09209; H05K2201/09372; H05K2201/09418; H05K2201/10; H05K2201/10431; H05K2201/10568; H05K2201/10598; Y; Y02; Y02P; Y02P70/00; Y02P70/50
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) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |