Patent US4080447A successfully refreshed from Google Patents.
Patent US2726164A successfully refreshed from Google Patents.
US2726164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereotype mat
Assignee: Burgess Cellulose Co
•
Filing: 1952-02-28
•
Granted: 1955-12-06
•
Expires: 1972-02-28
Abstract
No abstract record available.
Inventors
- 👤 Russell R Eichmeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:35
CPC Classifications
B; B41; B41N; B41N11/00; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249964; Y10T428/249965
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A STEREOTYPE DRY MAT CAPABLE OF UNDERGOING THE MOLDING AND CASTING OPERATIONS OF STEREOTYPING PROCEDURE AND COMPRISING CO-FELTED CELLULOSE FIBERS AND DISCRETE PARTICLES OF A FILLER, SAID MAT HAVING PRESENT AT THE MOLDING AND CASTING SURFACE THEREOF AN ABOSRBED COATING OF A COMPOSITION COMPRISING A COMPLEX COMPOUND OF THE WERNER TYPE IN WHICH TRIVALENT NUCLEAR CHROMIUM ATOMS ARE COORDINATED WITH SATURATED ACYLOXY GROUPS HAVING AT LEAST TEN CARBON ATOMS, THE SURFACE OF SAID STEROTYPE MAT OPPOSITE SAID MOLDING AND CASTING SURFACE THEREOF BEING READILY MOISTURE-ABOSRBENT.
Claim 2
Dependent Claim
85 words
A STEREOTYPE DRY MAT CAPABLE OF UNDERGOING THE MOLDING AND CASTING OPERATIONS OF STEREOTYPING PROCEDURE AND COMPRISING CO-FELTED CELLULOSE FIBERS AND DISCRETE PARTICLES OF A FILLER, SAID MAT HAVING PRESENT AT THE MOLDING AND CASTING SURFACE THEREOF AN ABOSRBED COATING OF A COMPOSITION COMPRISING A COMPLEX COMPOUND OF THE WERNER TYPE IN WHICH TRIVALENT NUCLEAR CHROMIUM ATOMS ARE COORDINATED WITH SATURATED ACYLOXY GROUPS HAVING AT LEAST TEN CARBON ATOMS, THE SURFACE OF SAID STEROTYPE MAT OPPOSITE SAID MOLDING AND CASTING SURFACE THEREOF BEING READILY MOISTURE-ABOSRBENT.
References Cited (Backward Citations)
US58944A
Cited
US1863731A
Cited
US2112023A
Cited
US2273040A
Cited
US2378193A
Cited
US2410414A
Cited
US2549220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |