Patent US3254395A successfully refreshed from Google Patents.
US3254395A
Expired / Lapsed
US
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Method of making a rocket motor casing
Assignee: Individual
•
Filing: 1963-01-04
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Granted: 1966-06-07
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Expires: 1983-01-04
Abstract
No abstract record available.
Inventors
- 👤 Edward F Baehr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:24
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/60; F02K9/62; F02K9/64; B; B21; B21D; B21D53/00; B21D53/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49346
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A METHOD OF MAKING A ROCKET MOTOR CASING COMPRISING THE STEPS OF: TAPERING THE THICKNESS OF A PORTION OF A SUBSTANTIALLY FLAT SHEET OF STOCK WHICH EXTENDS INWARDLY FROM ONE SHEET EDGE TO A CENTRALLY DISPOSED AREA OF SAID SHEET WHILE MAINTAINING THE REMAINDER OF SAID SHEET AT A SUBSTANTIALLY CONSTANT THICKNESS. DIVIDING SAID SHEET OF STOCK INTO A PLURALITY OF BLANKS, EACH HAVING A REGION OF DIMINISHING WIDTH WHICH EXTEND FROM SAID ONE SHEET EDGE TO SAID CENTRALLY DISPOSED AREA, BENDING OPPOSED MARGINAL EDGE PORTIONS OF SAID BLANKS TO FORM A PLURALITY OF TAPERED CHANNELS WITH UPWARDLY EXTENDING RIBS CONNECTED BY WEBS, CONTOURING SAID BENT BLANKS TO THE PROFILE OF A SECTION THROUGH THR ROCKET MOTOR CASING, ASSEMBLING SAID CONTOURED CHANNELS IN ABUTTING RELATIONSHIP WITH SAID UPWARDLY EXTENDING RIBS IN CON-
Claim 2
Independent Claim
132 words
A METHOD OF MAKING A ROCKET MOTOR CASING COMPRISING THE STEPS OF: TAPERING THE THICKNESS OF A PORTION OF A SUBSTANTIALLY FLAT SHEET OF STOCK WHICH EXTENDS INWARDLY FROM ONE SHEET EDGE TO A CENTRALLY DISPOSED AREA OF SAID SHEET WHILE MAINTAINING THE REMAINDER OF SAID SHEET AT A SUBSTANTIALLY CONSTANT THICKNESS. DIVIDING SAID SHEET OF STOCK INTO A PLURALITY OF BLANKS, EACH HAVING A REGION OF DIMINISHING WIDTH WHICH EXTEND FROM SAID ONE SHEET EDGE TO SAID CENTRALLY DISPOSED AREA, BENDING OPPOSED MARGINAL EDGE PORTIONS OF SAID BLANKS TO FORM A PLURALITY OF TAPERED CHANNELS WITH UPWARDLY EXTENDING RIBS CONNECTED BY WEBS, CONTOURING SAID BENT BLANKS TO THE PROFILE OF A SECTION THROUGH THR ROCKET MOTOR CASING, ASSEMBLING SAID CONTOURED CHANNELS IN ABUTTING RELATIONSHIP WITH SAID UPWARDLY EXTENDING RIBS IN CON-
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |