US3382141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desiccant paper
Assignee: Mead Corp
•
Filing: 1963-11-08
•
Granted: 1968-05-07
•
Expires: 1983-11-08
Abstract
No abstract record available.
Inventors
- 👤 Hanns F Arledter
- 👤 Edward R Stacy
- 👤 Clayton E Burke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:14
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/63; D21H17/67; D21H17/68; D21H13/00; D21H13/36; D21H13/38; D21H5/00; D21H5/12; D21H5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A PAPER COMPRISING 25% TO 90% OF INORGANIC PAPERMAKING FIBERS, SAID INORGANIC PAPERMAKING FIBERS COMPRISING AT LEAST 20% OF INORGANIC FIVERS HAVING A DIAMETER BELOW 1 MICRON, AND 75% TO 10% OF A WATER INSOLUBLE, POROUS INORGANIC DESICCANT POWDER, SAID DESICCANT POWDER BEING SUBSTANTIALLY UNIFORMLY DISPERSED THEREIN.
Claim 2
Dependent Claim
47 words
A PAPER COMPRISING 25% TO 90% OF INORGANIC PAPERMAKING FIBERS, SAID INORGANIC PAPERMAKING FIBERS COMPRISING AT LEAST 20% OF INORGANIC FIVERS HAVING A DIAMETER BELOW 1 MICRON, AND 75% TO 10% OF A WATER INSOLUBLE, POROUS INORGANIC DESICCANT POWDER, SAID DESICCANT POWDER BEING SUBSTANTIALLY UNIFORMLY DISPERSED THEREIN.
References Cited (Backward Citations)
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Cited
US3017318A
Cited
US2064113A
Cited
US2241600A
Cited
US2373914A
Cited
US2417924A
Cited
US2554934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |