US2918399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereotype dry mat
Assignee: Burgess Cellulose Co
•
Filing: 1956-01-04
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Granted: 1959-12-22
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Expires: 1976-01-04
Abstract
No abstract record available.
Inventors
- 👤 Russell R Eichmeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:16
CPC Classifications
B; B41; B41N; B41N11/00; D; D21; D21H; D21H17/00; D21H17/63; D21H17/67; D21H17/68; Y; Y10; Y10T; Y10T442/00; Y10T442/50; Y10T442/51; Y10T442/53
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A STEREOTYPE DRY MAT COMPRISINGA CO-FELTED MIXTURE OF CELLULOSE FIBERS AND DISCRETE PARTICLES OF A FILLER, SAID FILLER CONTAINING AS AN ESSENTIAL INGREDIENT A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF PRE-FORMED SYNTHETIC INORGANIC GEL ZEOLITES AND THE CATION EXCHANGE PRODUCTS THEREOF, SAID ZEOLITES COMPRISING DOUBLE SILICATES OF AN ALKALI METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM, AND AN AMPHOTERIC METAL, THE AMOUNT OF SAID ZEOLITE, EXCLUSIVE OF WATER OF HYDRATION, BEING BETWEEN ABOUT 1% AND ABOUT 50% OF THE COMBINED DRY WEIGHT OF THE FIBERS AND THE OXIDE, SAID STEREOTYPE DRY MAT BEING CHARACTERIZED BY HIGH PLASTICITY WHEN MOIST, WHEREBY SAID MAT IS CAPABLE OF TAKING AN IMPRESSING FROM A PRINTING FORM.
Claim 2
Dependent Claim
116 words
A STEREOTYPE DRY MAT COMPRISINGA CO-FELTED MIXTURE OF CELLULOSE FIBERS AND DISCRETE PARTICLES OF A FILLER, SAID FILLER CONTAINING AS AN ESSENTIAL INGREDIENT A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF PRE-FORMED SYNTHETIC INORGANIC GEL ZEOLITES AND THE CATION EXCHANGE PRODUCTS THEREOF, SAID ZEOLITES COMPRISING DOUBLE SILICATES OF AN ALKALI METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM, AND AN AMPHOTERIC METAL, THE AMOUNT OF SAID ZEOLITE, EXCLUSIVE OF WATER OF HYDRATION, BEING BETWEEN ABOUT 1% AND ABOUT 50% OF THE COMBINED DRY WEIGHT OF THE FIBERS AND THE OXIDE, SAID STEREOTYPE DRY MAT BEING CHARACTERIZED BY HIGH PLASTICITY WHEN MOIST, WHEREBY SAID MAT IS CAPABLE OF TAKING AN IMPRESSING FROM A PRINTING FORM.
References Cited (Backward Citations)
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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) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |