Patent US3534147A successfully refreshed from Google Patents.
US3534147A
Expired / Lapsed
US
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Printed wiring means having a flame retardant constituent
Assignee: GT Schjeldahl Co
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Filing: 1966-03-07
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Granted: 1970-10-13
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Expires: 1986-03-07
Abstract
No abstract record available.
Inventors
- 👤 Francis H Bratton
- 👤 Herbert J Fick
- 👤 Edward J Mahagnoul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:48
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/38; H05K3/386; C; C08; C08K; C08K5/00; C08K5/02; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; H01B3/421; H01B3/422; H01B3/423; H05K2201/00; H05K2201/01; H05K2201/0104; H05K2201/012; H05K2201/0137; H05K2201/0145; H05K2201/03; H05K2201/0332; H05K2201/0335; H05K2201/0355; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681; Y10T428/31786
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2590211A
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US2514141A
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US2480298A
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US2783215A
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US2924532A
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US3031425A
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US3186898A
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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) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |