US3131535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket nozzle
Assignee: Pneumo Dynamics Corp
•
Filing: 1960-04-07
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Granted: 1964-05-05
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Expires: 1980-04-07
Abstract
No abstract record available.
Inventors
- 👤 Reece V Hensley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:03
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K9/972; Y; Y10; Y10S; Y10S60/00; Y10S60/909; Y10T; Y10T29/00; Y10T29/49; Y10T29/49346; Y10T29/49826; Y10T29/49863; Y10T29/49874
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN A NOZZLE, A NOZZLE SHELL HAVING AN INNER WALL SURFACE FORMED WITH A NOZZLE CONFIGURATION, SAID SHELL HAVING AN OUTER WALL SURFACE FORMED WITH A PLURALITY OF ADJACENT GROOVES FOR CIRCULATING COOLANT FLUID THROUGH THE NOZZLE SHELL, SAID NOZZLE SHELL OUTER WALL SURFACE INCLUDING INTEGRAL LANDS BETWEEN ADJACENT GROOVES DISPOSED IN THE OUTER WALL SURFACE, THE LATERAL WIDTH OF SAID LANDS CHANGING AS THEY EXTEND ALONG SAID SHELL, COMMUNICATING GROOVES FORMED IN SAID OUTER WALL SURFACE OF THE NOZZLE SHELL FOR LEADING COOLANT FLUID FROM SOME OF SAID GROOVES TO OTHER ADJACENT GROOVES FOR RETURN OF COOLANT FLUID, A COVER FOR SAID NOZZLE SHELL COMPRISING MULTIPLE LAYERS OF THIN METALLIC RIBBON MATERIAL BONDED TO SAID LANDS AND WOUND ON SAID NOZZLE SHELL WITH THE SUCCESSIVE LAYERS OF RIBBON MATERIAL BEING BONDED TO EACH OTHER TO FORM A COVER FOR THE NOZZLE SHELL AND CLOSING SAID GROOVES TO FORM CLOSED PASSAGES IN THE NOZZLE SHELL FOR CIRCULATION OF COOLANT FLUID THROUGH THE NOZZLE SHELL.
Claim 2
Dependent Claim
164 words
IN A NOZZLE, A NOZZLE SHELL HAVING AN INNER WALL SURFACE FORMED WITH A NOZZLE CONFIGURATION, SAID SHELL HAVING AN OUTER WALL SURFACE FORMED WITH A PLURALITY OF ADJACENT GROOVES FOR CIRCULATING COOLANT FLUID THROUGH THE NOZZLE SHELL, SAID NOZZLE SHELL OUTER WALL SURFACE INCLUDING INTEGRAL LANDS BETWEEN ADJACENT GROOVES DISPOSED IN THE OUTER WALL SURFACE, THE LATERAL WIDTH OF SAID LANDS CHANGING AS THEY EXTEND ALONG SAID SHELL, COMMUNICATING GROOVES FORMED IN SAID OUTER WALL SURFACE OF THE NOZZLE SHELL FOR LEADING COOLANT FLUID FROM SOME OF SAID GROOVES TO OTHER ADJACENT GROOVES FOR RETURN OF COOLANT FLUID, A COVER FOR SAID NOZZLE SHELL COMPRISING MULTIPLE LAYERS OF THIN METALLIC RIBBON MATERIAL BONDED TO SAID LANDS AND WOUND ON SAID NOZZLE SHELL WITH THE SUCCESSIVE LAYERS OF RIBBON MATERIAL BEING BONDED TO EACH OTHER TO FORM A COVER FOR THE NOZZLE SHELL AND CLOSING SAID GROOVES TO FORM CLOSED PASSAGES IN THE NOZZLE SHELL FOR CIRCULATION OF COOLANT FLUID THROUGH THE NOZZLE SHELL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |