US3366533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a unitary dielectric paper and paper thereof
Assignee: Stevens Paper Mills Inc
•
Filing: 1965-03-18
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Granted: 1968-01-30
•
Expires: 1985-03-18
Abstract
No abstract record available.
Inventors
- 👤 Donald E Drake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:17
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; D; D21; D21F; D21F11/00; D21F11/02; D21F11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1682826A
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US1757010A
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US2098733A
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US2414833A
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US2870689A
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US2913365A
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US2881072A
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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) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |