US3370590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preventing undesirable loosening or matting in paper for use in sanitary products and the products thereof
Assignee: Riegel Textile Corp
•
Filing: 1966-08-17
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Granted: 1968-02-27
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Expires: 1986-08-17
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Hokanson
- 👤 Donald K George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:36
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/505; A61F13/15203; A61F13/15211; A61F13/56; A61F13/64; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/24; A61L15/28; A61L15/30; A61L15/32; A61L15/42; A61L15/62; A61L15/64; D; D21; D21H; D21H17/00; D21H17/20; D21H17/21; D21H17/22; D21H17/24; D21H17/25; D21H17/26; D21H17/28; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249964; Y10T428/249965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2486805A
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US2772604A
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US2785995A
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US3024160A
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US3101520A
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US3115438A
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US3131693A
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US3250664A
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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) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |