US3202557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burn inhibitor for fluorocarbon bound propellants
Assignee: —
•
Filing: —
•
Granted: 1965-08-24
•
Expires: 1982-08-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:14
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/18; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A BURN INHIBITOR PASTE FOR FLUOROCARBON-CONTAINING PROPELLANT GRAINS CONSISTING ESSENTIALLY OF THE FOLLOWING INGREDIENTS (1) A KETONE SOLUTION OF THE COPOLYMER OF VINYLIDENE FLUORIDE PERFLUOROPROPYLENE, AND (2) A CURING AGENT SELECTED FROM THE GROUP CONSISTING OF TETRAMETHYLENE TETRAMINE, AND HECAMETHYLENE TETRAMINE.
Claim 2
Dependent Claim
41 words
A BURN INHIBITOR PASTE FOR FLUOROCARBON-CONTAINING PROPELLANT GRAINS CONSISTING ESSENTIALLY OF THE FOLLOWING INGREDIENTS (1) A KETONE SOLUTION OF THE COPOLYMER OF VINYLIDENE FLUORIDE PERFLUOROPROPYLENE, AND (2) A CURING AGENT SELECTED FROM THE GROUP CONSISTING OF TETRAMETHYLENE TETRAMINE, AND HECAMETHYLENE TETRAMINE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |