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Patent US3440418A successfully refreshed from Google Patents.
US3440418A
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Method and apparatus for treating fibrous materials by exposure to an electrical discharge through a moving dielectric
Assignee: Deering Milliken Research Corp
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Filing: 1965-07-26
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Granted: 1969-04-22
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Expires: 1985-07-26
Abstract
No abstract record available.
Inventors
- 👤 Carlo Piazza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:40
CPC Classifications
D; D06; D06M; D06M10/00; D06M10/02; D06M10/025; D06M2101/00; D06M2101/02; D06M2101/10; D06M2101/12; D06M2200/00; D06M2200/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA674718A
Cited
US1557730A
Cited
US2683689A
Cited
US2810933A
Cited
US2977475A
Cited
US3179482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |