US3829408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic polymeric sheet containing antistat compound
Assignee: Kimberly Clark Tissue Co
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Filing: 1972-09-21
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Granted: 1974-08-13
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Expires: 1992-09-21
Abstract
Abstract THERMOPLASTIC POLUMERIC SHEET MATERIAL WHICH HAS BEEN SUBJECTED TO CORONA TREATMENT AND WHICH CONTAINS AN ANTISTATIC AGENT, THE AMOUNT OF ANTISTAT BEING AT LEAST THE AMOUNT WHICH GIVES AN ADEQUATE STATIC DECAY RATE TO THE SHEET AFTER BEING MODIFIED BY CORONA TREATMENT BUT LESS THAN THE AMOUNT SUFFICIENT TO PRODUCE A MEASURABLE INCREASE IN THE STATIC DECAY RATE OF THE SHEET IN THE ABSENCE OF CORONA TREATMENT.
Inventors
- 👤 R Wolkowicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:50
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/85; B; B29; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/25; B29C48/88; B29C48/911; B29C48/9135; B29C48/914; B29C48/915; B29C48/9165; B29C59/00; B29C59/10; B29K; B29K2023/00; B29K2023/04; B29K2023/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |