Patent US3728174A successfully refreshed from Google Patents.
US3728174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gelatin explosive containing hollow resinous plastic spheres
Assignee: Zeneca Inc
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Filing: 1955-11-02
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Granted: 1973-04-17
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Expires: 1975-11-02
Abstract
Abstract 1. A GELATIN EXPLOSIVE INCLUDING, IN ITS FORMULA, HOLLOW RESINOUS NITROGEN FILLED PLASTIC PELLETS WHICH ARE NOTT ATTACKED BY OTHER INGREDIENTS OF THE EXPLOSIVE AND ARE OF A SIZE SUCH THAT THEY PASS A U.S.S. NO. 8 SCREEN, SAID PELLETS BEING INCLUDED IN AN AMOUNT BETWEEN ABOUT 1.1% AND ABOUT 3% BY WEIGHT.
Inventors
- 👤 W Reinhart
- 👤 C County
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:11
CPC Classifications
C; C06; C06B; C06B25/00; C06B25/28; C06B25/30; C06B23/00; C06B23/002; C06B23/003; Y; Y10; Y10S; Y10S149/00; Y10S149/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A GELATIN EXPLOSIVE INCLUDING, IN ITS FORMULA, HOLLOW RESINOUS NITROGEN FILLED PLASTIC PELLETS WHICH ARE NOTT ATTACKED BY OTHER INGREDIENTS OF THE EXPLOSIVE AND ARE OF A SIZE SUCH THAT THEY PASS A U.S.S. NO. 8 SCREEN, SAID PELLETS BEING INCLUDED IN AN AMOUNT BETWEEN ABOUT 1.1% AND ABOUT 3% BY WEIGHT.
Claim 2
Dependent Claim
52 words
A GELATIN EXPLOSIVE INCLUDING, IN ITS FORMULA, HOLLOW RESINOUS NITROGEN FILLED PLASTIC PELLETS WHICH ARE NOTT ATTACKED BY OTHER INGREDIENTS OF THE EXPLOSIVE AND ARE OF A SIZE SUCH THAT THEY PASS A U.S.S. NO. 8 SCREEN, SAID PELLETS BEING INCLUDED IN AN AMOUNT BETWEEN ABOUT 1.1% AND ABOUT 3% BY WEIGHT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |