US3439613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-propelled hollow charge having concave liner with propellant contained therein
Assignee: Bolkow GmbH
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Filing: 1965-03-08
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Granted: 1969-04-22
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 Franz Rudolf Thomanek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:44
CPC Classifications
F; F42; F42B; F42B15/00; F42B12/00; F42B12/02; F42B12/04; F42B12/10; F05; F05B; F05B2250/00; F05B2250/70; F05B2250/71; F05B2250/712
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A FLYING BODY COMPRISING AN EXPLOSIVE CHARGE HAVING A RECESS FORMED ADJACENT ONE END BY A LINING WALL, SAID LINING WALL ALSO FORMING A BOUNDARY FOR A ROCKET COMBUSTION CHAMBER, THRUST NOZZLE MEANS CONNECTED TO SAID COMBUSTION CHAMBER FOR THE DISCHARGE OF THRUST GASES, AND A DRIVING CHARGE IN SAID COMBUSTION CHAMBER LOCATED WITHIN THE RECESS OF SAID EXPLOSIVE CHARGE.
Claim 2
Dependent Claim
60 words
A FLYING BODY COMPRISING AN EXPLOSIVE CHARGE HAVING A RECESS FORMED ADJACENT ONE END BY A LINING WALL, SAID LINING WALL ALSO FORMING A BOUNDARY FOR A ROCKET COMBUSTION CHAMBER, THRUST NOZZLE MEANS CONNECTED TO SAID COMBUSTION CHAMBER FOR THE DISCHARGE OF THRUST GASES, AND A DRIVING CHARGE IN SAID COMBUSTION CHAMBER LOCATED WITHIN THE RECESS OF SAID EXPLOSIVE CHARGE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |