US2991718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disintegrating ammunition for machine gun and cannon
Assignee: Individual
•
Filing: 1959-06-15
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Granted: 1961-07-11
•
Expires: 1979-06-15
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:41
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/72; F42B12/76; F42B8/00; F42B8/12; F42B8/14; F42B8/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A DISINTEGRATING PROJECTILE OF THE TYPE DESCRIBED COMPRISING A THIN OUTER METAL SHELL, SAID METAL SHELL BEING A CAST ALLOY OF 50% BISMUTH, 25% LEAD, 12 1/2% TIN AND 12 1/2% CADMIUM, BY WEIGHT, APPROXIMATELY 3/64 OF AN INCH THICK, POWDERED LEAD WITHIN SAID THIN OUTER TO APPROXIMATE THE WEIGHT OF A STANDARD PROJECTILE, AND MEANS SEALING SAID POWDERED LEAD WITHIN SAID THIN OUTER METAL SHELL.
Claim 2
Dependent Claim
66 words
A DISINTEGRATING PROJECTILE OF THE TYPE DESCRIBED COMPRISING A THIN OUTER METAL SHELL, SAID METAL SHELL BEING A CAST ALLOY OF 50% BISMUTH, 25% LEAD, 12 1/2% TIN AND 12 1/2% CADMIUM, BY WEIGHT, APPROXIMATELY 3/64 OF AN INCH THICK, POWDERED LEAD WITHIN SAID THIN OUTER TO APPROXIMATE THE WEIGHT OF A STANDARD PROJECTILE, AND MEANS SEALING SAID POWDERED LEAD WITHIN SAID THIN OUTER METAL SHELL.
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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |