Patent US3437036A successfully refreshed from Google Patents.
US3437036A
Expired / Lapsed
US
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Hollow charge for land mines
Assignee: Diehl Verwaltungs Stiftung
•
Filing: 1967-04-10
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Granted: 1969-04-08
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Expires: 1987-04-10
Abstract
No abstract record available.
Inventors
- 👤 Roland Franzen
- 👤 Paul Sindermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:52
CPC Classifications
F; F42; F42B; F42B23/00; F42B23/04; F42B1/00; F42B1/02; F42B1/036; F42B12/00; F42B12/02; F42B12/04; F42B12/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2656792A
Cited
US3217650A
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US3216354A
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US3077834A
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US3034393A
Cited
CH406905A
Cited
US3304864A
Cited
US3302567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |