US2622277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing rocket powder
Assignee: Individual
•
Filing: 1948-08-28
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Granted: 1952-12-23
•
Expires: 1968-08-28
Abstract
No abstract record available.
Inventors
- 👤 Bonell Frans Tore Baltzar
- 👤 Juhlin Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:35
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/80; B29B7/88; C; C06; C06B; C06B21/00; C06B21/0033; C06B21/0041; C06B21/0075; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A METHOD OF PRODUCING A ROCKET PROPELLANT IN STRING FORM, THE STEPS COMPRISING PULVERIZING AN ACTIVE COMPONENT AND A THERMOPLASTIC COMPONENT SEPARATELY, MIXING SAID COMPONENTS, PLACING THE MIXTURE IN A MOLD, SINTERING THE MIXTURE IN SAID MOLD BY THE APPLICATION OF HEAT AND PRESSURE UNDER VACUUM CONDITIONS AND FORMING SUCH SINTERED MATERIAL INTO STRINGS BY PASSING SAME THROUGH A STRING PRESS.
Claim 2
Dependent Claim
62 words
IN A METHOD OF PRODUCING A ROCKET PROPELLANT IN STRING FORM, THE STEPS COMPRISING PULVERIZING AN ACTIVE COMPONENT AND A THERMOPLASTIC COMPONENT SEPARATELY, MIXING SAID COMPONENTS, PLACING THE MIXTURE IN A MOLD, SINTERING THE MIXTURE IN SAID MOLD BY THE APPLICATION OF HEAT AND PRESSURE UNDER VACUUM CONDITIONS AND FORMING SUCH SINTERED MATERIAL INTO STRINGS BY PASSING SAME THROUGH A STRING PRESS.
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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) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |