US3280746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustible cartridge case of felted fibrous material with synthetic resin and process
Assignee: Atlantic Research Corp
•
Filing: 1965-04-26
•
Granted: 1966-10-25
•
Expires: 1985-04-26
Abstract
No abstract record available.
Inventors
- 👤 George E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:08
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02; F42B5/18; F42B5/188; Y; Y10; Y10S; Y10S102/00; Y10S102/70
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
55 words
THE PROCESS WHICH COMPRISES SUBJECTING A COMBUSTIBLE, SHAPED, FELTED, AND FIBROUS MATERIAL CONSISTING ESSENTIALLY OF NITROCELLULOSE FIBERS, CELLULOSE FIBERS AND SYNTHETIC ORGANIC RESIN BINDER THEREFOR TO A SOLVATING TREATMENT WITH SOLVENT FOR NITROCELLULOSE FOR A PERIOD OF TIME SUFFICIENT TO SOLUBILIZE AT LEAST THE OUTER SURFACES OF SAID NITROCELLULOSE FIBERS, AND THEN REMOVING THE SOLVENT.
Claim 2
Dependent Claim
55 words
THE PROCESS WHICH COMPRISES SUBJECTING A COMBUSTIBLE, SHAPED, FELTED, AND FIBROUS MATERIAL CONSISTING ESSENTIALLY OF NITROCELLULOSE FIBERS, CELLULOSE FIBERS AND SYNTHETIC ORGANIC RESIN BINDER THEREFOR TO A SOLVATING TREATMENT WITH SOLVENT FOR NITROCELLULOSE FOR A PERIOD OF TIME SUFFICIENT TO SOLUBILIZE AT LEAST THE OUTER SURFACES OF SAID NITROCELLULOSE FIBERS, AND THEN REMOVING THE SOLVENT.
Claim 3
Dependent Claim
65 words
THE PROCESS ACCORDING TO CLAIM 1 IN WHICH THE MATERIAL CONTAINS FROM ABOUT 15 TO 35% OF A CURED RESIN BINDER DERIVED FROM A SELF-REACTIVE COPOLYMER CONTAINING AT LEAST 90%, BY WEIGHT, OF VINYL ACETATE TOGETHER WITH AT LEAST ONE OTHER POLYMERIZABLE COMONOMER CONTAINING AT LEAST ONE FUNCTIONAL GROUP SELECTED FROM THE GROUP CONSISTING OF THE GLYCIDYL, METHYLOL, UREIDO, HYDROXLY, AMINE, CARBOXYL AND ALKOXYCARBONYL GROUPS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |