US2780996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket propellant charge and liner therefor
Assignee: AEROJET GENERAI CORP
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Filing: 1947-10-28
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Granted: 1957-02-12
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Expires: 1967-10-28
Abstract
No abstract record available.
Inventors
- 👤 Robert L Hirsch
- 👤 Clyde F Miller
- 👤 Bellin Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:21
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/32; F02K9/34; F02K9/346; C; C08; C08L; C08L77/00; C08L77/06; C08L77/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A LINER FOR A THERMOSETTING ALKYD-VINYL RESIN AND INORGANIC PERCHLORATE TYPE OF CHARGE COMPRISING A MIXTURE OF POLYAMIDE RESINS COMPOSED OF THE POLYMERIZATION PRODUCTS OF ETHYLENE DIAMINE WITH AN ACID SELECTED FROM THE GROUP CONSISTING OF LINOLEIC AND LINOLENIC ACID AND A NON-DRYING MODIFIED ALKYD RESIN COMPRISING CONDENSATION PRODUCTS OF POLYCARBOXYLIC ACID AND POLYHYDRIC ALCOHOL MODIFIED BY A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF SATURATED FATTY ACIDS, ACIDS OF LOW DEGREE OF UNSATURATION AND NON-DRYING VEGETABLE OILS.
Claim 2
Dependent Claim
78 words
A LINER FOR A THERMOSETTING ALKYD-VINYL RESIN AND INORGANIC PERCHLORATE TYPE OF CHARGE COMPRISING A MIXTURE OF POLYAMIDE RESINS COMPOSED OF THE POLYMERIZATION PRODUCTS OF ETHYLENE DIAMINE WITH AN ACID SELECTED FROM THE GROUP CONSISTING OF LINOLEIC AND LINOLENIC ACID AND A NON-DRYING MODIFIED ALKYD RESIN COMPRISING CONDENSATION PRODUCTS OF POLYCARBOXYLIC ACID AND POLYHYDRIC ALCOHOL MODIFIED BY A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF SATURATED FATTY ACIDS, ACIDS OF LOW DEGREE OF UNSATURATION AND NON-DRYING VEGETABLE OILS.
References Cited (Backward Citations)
GB190726430A
Cited
FR502560A
Cited
GB248089A
Cited
US1944886A
Cited
US2269185A
Cited
US2287986A
Cited
US2389837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-12 | 1960-08-13 | 1961-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-12 | 1964-08-13 | 1965-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-12 | 1968-08-13 | 1969-02-12 | $7700.00 | Window Closed / Lapsed |