US2958288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
campbell
Assignee: —
•
Filing: —
•
Granted: 1960-11-01
•
Expires: 1977-11-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:22
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A SOLID PROPELLANT CHARGE HAVING A POLYMERIZED POLYSTER-STYRENE MIXTURE HAVING DISPERSED IN IT A SOLID INORGANIC OXIDIZER, AND A LINER ADHERENT TO A SURFACE OF SAID CHARGE, SAID LINER COMPRISING A MIXTURE OF A POLYESTER RESIN AND STYRENE CONTAINING A UNIFORMLY DISTRIBUTED CHEMICALLY INERT FILLER, THE RESIN IN SAID LINER BEING COPOLYMERIZED TO THE SURFACE OF SAID PROPELLANT CHARGE THEREBY FORMING A SOLID LINER TENACIOUSLY ADHERENT TO THE SURFACE.
Claim 2
Dependent Claim
69 words
A SOLID PROPELLANT CHARGE HAVING A POLYMERIZED POLYSTER-STYRENE MIXTURE HAVING DISPERSED IN IT A SOLID INORGANIC OXIDIZER, AND A LINER ADHERENT TO A SURFACE OF SAID CHARGE, SAID LINER COMPRISING A MIXTURE OF A POLYESTER RESIN AND STYRENE CONTAINING A UNIFORMLY DISTRIBUTED CHEMICALLY INERT FILLER, THE RESIN IN SAID LINER BEING COPOLYMERIZED TO THE SURFACE OF SAID PROPELLANT CHARGE THEREBY FORMING A SOLID LINER TENACIOUSLY ADHERENT TO THE SURFACE.
References Cited (Backward Citations)
US958990A
Cited
US2004436A
Cited
US2363569A
Cited
US2369689A
Cited
US2375701A
Cited
US2406298A
Cited
US2410801A
Cited
US2479828A
Cited
US2514141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |