Patent US4599209A successfully refreshed from Google Patents.
Patent US3418198A successfully refreshed from Google Patents.
US3418198A
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Non-roughening microporous laminate and process for producing the same
Assignee: EIDP Inc
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Filing: 1966-11-14
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Granted: 1968-12-24
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Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Robert V Einstman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:26
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/28; B; B29; B29C; B29C67/00; B29C67/20; B29C67/202; B32; B32B; B32B27/00; D; D06; D06N; D06N3/00; D06N3/007; D06N3/0079; D06N3/0086; D06N3/0088; D06N3/12; D06N3/14; C08J2201/00; C08J2201/04; C08J2201/054; C08J2201/0542; C08J2201/0544; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T442/00; Y10T442/30; Y10T442/3065; Y10T442/313; Y10T442/3707; Y10T442/378; Y10T442/3813; Y10T442/60; Y10T442/659; Y10T442/666; Y10T442/667; Y10T442/671
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |