US2919647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammunition
Assignee: Olin Corp
•
Filing: 1953-05-25
•
Granted: 1960-01-05
•
Expires: 1973-05-25
Abstract
No abstract record available.
Inventors
- 👤 John C Dear
- 👤 Robert G Owens
- 👤 Ronald A Gulley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:16
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/26; F42B5/28; F42B5/295; F42B7/00; F42B7/02; F42B7/04; Y; Y10; Y10S; Y10S102/00; Y10S102/704
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A SHOT SHELL COMPRISING AN ALUMINUM CASE HAVING A HOLLOW DEFINED BY AN INNER SURFACE OF SAID CASE AND CONTAINING A POWDER CHARGE AND A PLURALITY OF METALLIC SHOT PELLETS EACH HAVING AN EXTERIOR SURFACE AND EXERTING A RADIAL PRESSURE AGAINST THE SURFACE OF THE HOLLOW DURING FIRING, AND MEANS TO REDUCE THE PRESSURE DEVELOPED BY THE POWDER CHARGE DURING FIRING, SAID MEANS COMPRISING A NON-METALLIC COATING ON ONE OF SAID SURFACES AND SEPARATING SAID ALUMINUM CASE AND SAID SHOT PELLETS.
Claim 2
Dependent Claim
81 words
A SHOT SHELL COMPRISING AN ALUMINUM CASE HAVING A HOLLOW DEFINED BY AN INNER SURFACE OF SAID CASE AND CONTAINING A POWDER CHARGE AND A PLURALITY OF METALLIC SHOT PELLETS EACH HAVING AN EXTERIOR SURFACE AND EXERTING A RADIAL PRESSURE AGAINST THE SURFACE OF THE HOLLOW DURING FIRING, AND MEANS TO REDUCE THE PRESSURE DEVELOPED BY THE POWDER CHARGE DURING FIRING, SAID MEANS COMPRISING A NON-METALLIC COATING ON ONE OF SAID SURFACES AND SEPARATING SAID ALUMINUM CASE AND SAID SHOT PELLETS.
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) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |