Patent US3213792A successfully refreshed from Google Patents.
US3213792A
Expired / Lapsed
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Armor-piercing projectile with hard core
Assignee: Saab Bofors AB
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Filing: 1963-11-05
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Granted: 1965-10-26
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Expires: 1983-11-05
Abstract
No abstract record available.
Inventors
- 👤 Grenander Per Gunnar Guldbrand
- 👤 Philip Sven Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:53
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/04; F42B12/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN ARMOR-PIERCING PROJECTILE COMPRISING A CASING HAVING A REAR PORTION AND A FORWARD PORTION, THE OUTER WALL OF THE CASING INCLUDING AT LEAST ONE WEAKENED AREA BETWEEN THE REAR PORTION AND THE FORWARD PORTION TO WEAKEN THE CASING AT THE TRANSVERSE PLANE OF SAID AREA, A HARD CORE FITTED IN SAID REAR CASING PORTION, SAID CORE HAVING AT ITS FORWARD END A SEMI SPHERICAL PORTION PROTRUDING PAST THE TRANSVERSE PLANE OF SAID AREA AND INTO SAID FORWARD PORTION, AND A HARD CORE SUPPORT IN SAID FORWARD PORTION DISPOSED ABOVE THE TRANSVERSE PLANE OF SAID AREA, SAID SUPPORT HAVING IN ITS SIDE FACING THE REAR PORTION OF THE CASING A CONICAL CAVITY, SAID SEMI-SPHERICA
Claim 2
Dependent Claim
113 words
AN ARMOR-PIERCING PROJECTILE COMPRISING A CASING HAVING A REAR PORTION AND A FORWARD PORTION, THE OUTER WALL OF THE CASING INCLUDING AT LEAST ONE WEAKENED AREA BETWEEN THE REAR PORTION AND THE FORWARD PORTION TO WEAKEN THE CASING AT THE TRANSVERSE PLANE OF SAID AREA, A HARD CORE FITTED IN SAID REAR CASING PORTION, SAID CORE HAVING AT ITS FORWARD END A SEMI SPHERICAL PORTION PROTRUDING PAST THE TRANSVERSE PLANE OF SAID AREA AND INTO SAID FORWARD PORTION, AND A HARD CORE SUPPORT IN SAID FORWARD PORTION DISPOSED ABOVE THE TRANSVERSE PLANE OF SAID AREA, SAID SUPPORT HAVING IN ITS SIDE FACING THE REAR PORTION OF THE CASING A CONICAL CAVITY, SAID SEMI-SPHERICA
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |