US3303079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacture of rocket chambers having an integral insulator or liner
Assignee: Individual
•
Filing: 1963-08-23
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Granted: 1967-02-07
•
Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Richard P Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:12
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; B29C53/602; B29L; B29L2009/00; F; F17; F17C; F17C2209/00; F17C2209/21; F17C2209/2154
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
AN IMPROVED METHOD FOR FORMING A PRESSURE CASING HAVING AN INTEGRL INSULATED LINER THEREIN, SAID METHOD COMPRISING THE STEPS OF: (A) LAYING-UP AN UNCURED SHEET OF CALENDERED RUBBER STOCK ONTO A SUITABLE HOLLOW MANDREL; (B) WINDING SIX LAYERS OF A GLASS FILAMENT ON TOP OF THE RUBBER STOCK AT A 25% ANGLE TO THE HORIZONTAL AXIS OF THE MANDREL; (C) WINDING SIX LAYERS OF A GLASS FILAMENT ON TOP OF THE 25% HELIX AT A 90% ANGLE TO THE HORIZONTAL AXIS OF THE MANDREL AND CROSSING SAID FIRST 25% HELIX AT A PLURALITY OF POSITIONS; (D) ADDING TWO LAYERS OF A GLASS FILAMENT ON TOP OF THE RUBBER STOCK AT A 25% ANGLE TO THE HORIZONTAL AXIS OF THE MANDREL WHEREBY A TOTL OF 8 LAYERS HAVE BEEN WOUND ON TOP OF THE RUBBER STOCK; (E) ADDING 3 1/2 LAYERS OF A GLASS FILAMENT ON TOP OF THE SAID 25% HELIX AT A 90% ANGLE TO THE HORIZONTAL
Claim 2
Dependent Claim
158 words
AN IMPROVED METHOD FOR FORMING A PRESSURE CASING HAVING AN INTEGRL INSULATED LINER THEREIN, SAID METHOD COMPRISING THE STEPS OF: (A) LAYING-UP AN UNCURED SHEET OF CALENDERED RUBBER STOCK ONTO A SUITABLE HOLLOW MANDREL; (B) WINDING SIX LAYERS OF A GLASS FILAMENT ON TOP OF THE RUBBER STOCK AT A 25% ANGLE TO THE HORIZONTAL AXIS OF THE MANDREL; (C) WINDING SIX LAYERS OF A GLASS FILAMENT ON TOP OF THE 25% HELIX AT A 90% ANGLE TO THE HORIZONTAL AXIS OF THE MANDREL AND CROSSING SAID FIRST 25% HELIX AT A PLURALITY OF POSITIONS; (D) ADDING TWO LAYERS OF A GLASS FILAMENT ON TOP OF THE RUBBER STOCK AT A 25% ANGLE TO THE HORIZONTAL AXIS OF THE MANDREL WHEREBY A TOTL OF 8 LAYERS HAVE BEEN WOUND ON TOP OF THE RUBBER STOCK; (E) ADDING 3 1/2 LAYERS OF A GLASS FILAMENT ON TOP OF THE SAID 25% HELIX AT A 90% ANGLE TO THE HORIZONTAL
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |