US2887954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive cartridge
Assignee: EIDP Inc
•
Filing: 1956-04-04
•
Granted: 1959-05-26
•
Expires: 1976-04-04
Abstract
No abstract record available.
Inventors
- 👤 Swed James Pershing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:02
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN EXPLOSIVE CARTRIDGE COMPRISING A GELATIN DYNAMITE COMPOSITION PACKAGED IN A SHELL HAVING IN THE FORM OF A SPIRAL WINDING AN OUTER LAYER OF A WATER-ABSORBENT PAPER WHICH WILL LOSE AT LEAST 70% OF ITS DRY STRENGTH AS DETERMINED BY THE ELMENDORF TEAR TEST AFTER 1 MINUTE IMMERSION IN WATER, SAID SHELL HAVING A STRENGTH AFTER
Claim 2
Dependent Claim
56 words
AN EXPLOSIVE CARTRIDGE COMPRISING A GELATIN DYNAMITE COMPOSITION PACKAGED IN A SHELL HAVING IN THE FORM OF A SPIRAL WINDING AN OUTER LAYER OF A WATER-ABSORBENT PAPER WHICH WILL LOSE AT LEAST 70% OF ITS DRY STRENGTH AS DETERMINED BY THE ELMENDORF TEAR TEST AFTER 1 MINUTE IMMERSION IN WATER, SAID SHELL HAVING A STRENGTH AFTER
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) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |