US2644778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal foil matrix
Assignee: Individual
•
Filing: 1950-01-07
•
Granted: 1953-07-07
•
Expires: 1970-01-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank J Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:51
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/08; B41N; B41N1/00; B41N1/04; B41N1/06; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24678; Y10T428/28; Y10T428/2839; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A FLEXIBLE, MALLEABLE, LAMINATED FOLL MAT FOR USE AS A MATRIX FOR STEREOTYPE PLATES, WHICH MAT HAS DIMENSIONAL STABILITY AND IS ADAPTED TO BE INSERTED IN A TYPEWRITER TO HAVE TYPE IMPRESSIONS FORMED THEREIN COMPRISING A PLURALITY OF SUPERPOSED LAYERS OF DEFORMABLE THIN METALLIC FOIL, EACH LAYER HAVING THROUGHOUT SUBSTANTIALLY ITS ENTIRE SURFACE A PLURALITY OF RELATIVELY MINUTE PROTUBERANCES OF A HEIGHT AND BEING SPACED FROM EACH
Claim 2
Dependent Claim
67 words
A FLEXIBLE, MALLEABLE, LAMINATED FOLL MAT FOR USE AS A MATRIX FOR STEREOTYPE PLATES, WHICH MAT HAS DIMENSIONAL STABILITY AND IS ADAPTED TO BE INSERTED IN A TYPEWRITER TO HAVE TYPE IMPRESSIONS FORMED THEREIN COMPRISING A PLURALITY OF SUPERPOSED LAYERS OF DEFORMABLE THIN METALLIC FOIL, EACH LAYER HAVING THROUGHOUT SUBSTANTIALLY ITS ENTIRE SURFACE A PLURALITY OF RELATIVELY MINUTE PROTUBERANCES OF A HEIGHT AND BEING SPACED FROM EACH
References Cited (Backward Citations)
US1802379A
Cited
US2008181A
Cited
US2098193A
Cited
US2129488A
Cited
US2101836A
Cited
US2173815A
Cited
US2406815A
Cited
US2486669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |