US3489088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive projectile containing at least one secondary projectile
Assignee: Rheinmetall Air Defence AG
•
Filing: 1968-07-25
•
Granted: 1970-01-13
•
Expires: 1988-07-25
Abstract
No abstract record available.
Inventors
- 👤 Jorg Von Ballmoos
- 👤 Julius Schock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:16
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/20; F42B12/22; F42B12/32; F42B12/36; F42B12/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1343036A
Cited
GB259539A
Cited
FR804400A
Cited
FR1257608A
Cited
FR1054114A
Cited
GB787096A
Cited
US2726943A
Cited
US3198678A
Cited
US3309249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |