US2498388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive composition
Assignee: Individual
•
Filing: 1945-06-08
•
Granted: 1950-02-21
•
Expires: 1965-06-08
Abstract
No abstract record available.
Inventors
- 👤 Alpheus M Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:48
CPC Classifications
C; C06; C06B; C06B25/00; C06B25/18; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/112
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A THICK-WEB POWDER GRAIN OF WEB THICKNESS OF NOT LESS THAN ABOUT 0.20 INCH COMPRISING A COLLOIDED MIXTURE OF NITROCELLULOSE AND NITROGLYCERIN, AND FROM ABOUT 1% TO ABOUT 10% BY WEIGHT OF A FINELY DIVIDED SALT SELECTED FROM THE GROUP CONSISTING OF POTASSIUM SULPHATE, POTASSIUM NITRATE AND BARIUM NITRATE UNIFORMLY INCORPORATED THEREIN, AT LEAST 80% BY WEIGHT OF SAID SALT HAVING A PARTICLE SIZE NO GREATER THAN ABOUT 60 MICRONS MEAN DIAMETER AND SUBSTANTIALLY ALL OF THE REMAINDER HAVING A PARTICLE SIZE NO GREATER THAN ABOUT 80 MICRONS MEAN DIAMETER.
Claim 2
Dependent Claim
90 words
A THICK-WEB POWDER GRAIN OF WEB THICKNESS OF NOT LESS THAN ABOUT 0.20 INCH COMPRISING A COLLOIDED MIXTURE OF NITROCELLULOSE AND NITROGLYCERIN, AND FROM ABOUT 1% TO ABOUT 10% BY WEIGHT OF A FINELY DIVIDED SALT SELECTED FROM THE GROUP CONSISTING OF POTASSIUM SULPHATE, POTASSIUM NITRATE AND BARIUM NITRATE UNIFORMLY INCORPORATED THEREIN, AT LEAST 80% BY WEIGHT OF SAID SALT HAVING A PARTICLE SIZE NO GREATER THAN ABOUT 60 MICRONS MEAN DIAMETER AND SUBSTANTIALLY ALL OF THE REMAINDER HAVING A PARTICLE SIZE NO GREATER THAN ABOUT 80 MICRONS MEAN DIAMETER.
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) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |