US2815560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal working
Assignee: Olin Corp
•
Filing: 1951-04-20
•
Granted: 1957-12-10
•
Expires: 1971-04-20
Abstract
No abstract record available.
Inventors
- 👤 Buxton Eugene Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:45
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
105 words
IN A METHOD FOR MAKING AMMUNITION PROJECTILES WHICH INVOLVES SHAPING LEAD INTO A WIRE BY FORCING THE LEAD THROUGH THE ORIFICE OF AN EXTRUSION DIE, CUTTING SAID WIRE INTO SLUGS OF PREDETERMINED LENGTHS AND THEREAFTER SHAPING THE SLUGS BY SWAGING THE IMPROVEMENTS WHICH COMPRISES FIRST COATING THE SURFACES OF THE LEAD WITH AN AQUEOUS NON-PIGMENTED SOLUTION OF AT LEAST ABOUT 75 PERCENT OF A LIQUID ALIPHATIC POLYHYDRIC ALCOHOL HAVING LESS THAN FOUR HYDROXYL GROUPS AND THEN EXTRUDING THE COATED LEAD WHEREBY SLUGS DEVOID OF FOREIGN INCLUSION AND ADAPTED TO BE SWAGED INTO THE SHAPE OF A PROJECTILE WITHOUT INTERMEDIATE CLEANING AND ADDITIONAL LUBRICATION ARE OBTAINED.
Claim 2
Dependent Claim
105 words
IN A METHOD FOR MAKING AMMUNITION PROJECTILES WHICH INVOLVES SHAPING LEAD INTO A WIRE BY FORCING THE LEAD THROUGH THE ORIFICE OF AN EXTRUSION DIE, CUTTING SAID WIRE INTO SLUGS OF PREDETERMINED LENGTHS AND THEREAFTER SHAPING THE SLUGS BY SWAGING THE IMPROVEMENTS WHICH COMPRISES FIRST COATING THE SURFACES OF THE LEAD WITH AN AQUEOUS NON-PIGMENTED SOLUTION OF AT LEAST ABOUT 75 PERCENT OF A LIQUID ALIPHATIC POLYHYDRIC ALCOHOL HAVING LESS THAN FOUR HYDROXYL GROUPS AND THEN EXTRUDING THE COATED LEAD WHEREBY SLUGS DEVOID OF FOREIGN INCLUSION AND ADAPTED TO BE SWAGED INTO THE SHAPE OF A PROJECTILE WITHOUT INTERMEDIATE CLEANING AND ADDITIONAL LUBRICATION ARE OBTAINED.
Claim 3
Dependent Claim
36 words
A LEAD BILLET SUITABLE FOR EXTRUSION INTO WIRE AND HAVING A COATING OF A NON-PIGMENTED AQUEOUS SOLUTION COMPRISING AT LEAST ABOUT 75 PERCENT POLYHYDRIC ALCOHOL HAVING LESS THAN FOUR HYDROXYL GROUPS BOUND TO THE SURFACES THEREOF.
Claim 4
Dependent Claim
36 words
A LEAD BILLET SUITABLE FOR EXTRUSION INTO WIRE AND HAVING A COATING OF A NON-PIGMENTED AQUEOUS SOLUTION COMPRISING AT LEAST ABOUT 75 PERCENT POLYHYDRIC ALCOHOL HAVING LESS THAN FOUR HYDROXYL GROUPS BOUND TO THE SURFACES THEREOF.
References Cited (Backward Citations)
US1471373A
Cited
US1492230A
Cited
US1696642A
Cited
US1820085A
Cited
US2008939A
Cited
US2003368A
Cited
US2063119A
Cited
US2145252A
Cited
US2203376A
Cited
US2391631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |