US3385752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dielectric paper of wood fibers and relatively large diameter rayon or polyvinyl formal fibers
Assignee: Kimberly Clark Corp
•
Filing: 1965-01-21
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Granted: 1968-05-28
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Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 William A Selke
- 👤 John H Mathews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:42
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/14; H01G4/16; D; D21; D21H; D21H11/00; D21H13/00; D21H13/02; D21H13/08; D21H13/10; D21H5/00; D21H5/12
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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |