Patent US3252369A successfully refreshed from Google Patents.
US3252369A
Expired / Lapsed
US
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Method and apparatus for loading solid propellant into rocket casings and the like
Assignee: Individual
•
Filing: 1964-02-18
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Granted: 1966-05-24
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Expires: 1984-02-18
Abstract
No abstract record available.
Inventors
- 👤 Charles E Bartley
- 👤 Frank A Marion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:08
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/24; F42; F42B; F42B33/00; F42B33/02; F42B33/0214
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A PROCESS OF PRODUCING ROCKET MOTORS OF THE TYPE HAVING A CASING AND A CURED SOLID PROPELLANT THEREIN WITH THE USE OF STRUCTURE ATTACHABLE IN COOPERATING RELATION WITH SAID CASING HAVING INTERIORLY SURFACE MEANS POSITIONABLE WITH RESPECT TO SAID CASING TO FORM SUBSTANTIALLY ALL OF THE EXTERIOR SURFACE MEANS OF THE CURED PROPELLANT IN SAID CASING AND HAVING MEANS DEFINING AN EXTERIOR CHAMBER COMMUNICATING WITH THE INTERIOR OF THE CASING BY RESTRICTED PORT MEANS, WHICH PROCESS COMPRISES THE STEPS OF ATTACHING SAID STRUCTURE IN COOPERATING RELATION WITH SAID CASING SO AS TO PROVIDE A CONTROLLABLE SPACE WITHIN SAID CASING, SAID RESTRICTED PORT MEANS AND SAID CHAMBER; EVACUATING SAID SPACE; COMPLETELY FILLING AND CONFINING A
Claim 2
Dependent Claim
114 words
A PROCESS OF PRODUCING ROCKET MOTORS OF THE TYPE HAVING A CASING AND A CURED SOLID PROPELLANT THEREIN WITH THE USE OF STRUCTURE ATTACHABLE IN COOPERATING RELATION WITH SAID CASING HAVING INTERIORLY SURFACE MEANS POSITIONABLE WITH RESPECT TO SAID CASING TO FORM SUBSTANTIALLY ALL OF THE EXTERIOR SURFACE MEANS OF THE CURED PROPELLANT IN SAID CASING AND HAVING MEANS DEFINING AN EXTERIOR CHAMBER COMMUNICATING WITH THE INTERIOR OF THE CASING BY RESTRICTED PORT MEANS, WHICH PROCESS COMPRISES THE STEPS OF ATTACHING SAID STRUCTURE IN COOPERATING RELATION WITH SAID CASING SO AS TO PROVIDE A CONTROLLABLE SPACE WITHIN SAID CASING, SAID RESTRICTED PORT MEANS AND SAID CHAMBER; EVACUATING SAID SPACE; COMPLETELY FILLING AND CONFINING A
References Cited (Backward Citations)
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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) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |