US3242789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making plastic cartridge case
Assignee: Olin Corp
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Filing: 1964-10-02
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Granted: 1966-03-29
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Expires: 1984-10-02
Abstract
No abstract record available.
Inventors
- 👤 William B Woodring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:34
CPC Classifications
F; F42; F42B; F42B7/00; F42B7/02; F42B7/06; F42B5/00; F42B5/26; F42B5/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
THE METHOD OF MAKING AMMUNITION CARTRIDGE CASES COMPRISING THE STEPS OF PROVIDING A SHELL BODY INCLUDING A TUBULAR SIDE WALL OF THERMOPLASTIC RESIN HAVING AN OPEN MOUTH AT ONE END AND OVERSIZE BASE WITH AN OUTWARDLY EXTENDING RIM AND A PRIMER RECEIVING POCKET AT THE OTHER END, SLIPPING AN ANNULAR METALLIC RING WITH AN OUTWARDLY FLARED FLANGE OVER SAID MOUTH AND FORCING SAID RING DOWN SAID BODY UNTIL SAID RIM AND FLANGE ARE IN ABUTMENT TO COMPRESS THE RESIN OF SAID BASE RADIALLY INWARDLY BETWEEN SAID PRIMER OPENING AND RING.
Claim 2
Independent Claim
90 words
THE METHOD OF MAKING AMMUNITION CARTRIDGE CASES COMPRISING THE STEPS OF PROVIDING A SHELL BODY INCLUDING A TUBULAR SIDE WALL OF THERMOPLASTIC RESIN HAVING AN OPEN MOUTH AT ONE END AND OVERSIZE BASE WITH AN OUTWARDLY EXTENDING RIM AND A PRIMER RECEIVING POCKET AT THE OTHER END, SLIPPING AN ANNULAR METALLIC RING WITH AN OUTWARDLY FLARED FLANGE OVER SAID MOUTH AND FORCING SAID RING DOWN SAID BODY UNTIL SAID RIM AND FLANGE ARE IN ABUTMENT TO COMPRESS THE RESIN OF SAID BASE RADIALLY INWARDLY BETWEEN SAID PRIMER OPENING AND RING.
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |