US2918006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Destruction engines carrying a hollow charge
Assignee: Individual
•
Filing: 1951-08-18
•
Granted: 1959-12-22
•
Expires: 1971-08-18
Abstract
No abstract record available.
Inventors
- 👤 Helmut P G A R Von Zborowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:27
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/02; F42B10/04; F42B10/06; F42B12/00; F42B12/02; F42B12/04; F42B12/10; F42B12/16; F42B15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2285574A
Cited
US2407093A
Cited
US2425558A
Cited
US2521739A
Cited
US2587243A
Cited
FR973780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |