US3261558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket fluid discharge nozzle
Assignee: Clevite Corp
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Filing: 1962-01-23
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Granted: 1966-07-19
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Expires: 1982-01-23
Abstract
No abstract record available.
Inventors
- 👤 Gail F Davies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:43
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K9/974
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A ROCKET FLUID DISCHARGE NOZZLE COMPRISING: A COMPOSITE METAL BODY HAVING AN AXIAL BORE OF CONVERGENTDIVERGENT CONFIGURATION INCLUDING A RESTRICTED CROSS SECTIONAL THROAT AREA AND BEING COMPOSED OF A MATRIX OF POWDERED TUNGSTEN AND FIBERS OF A DIFFERENT METALLIC MATERIAL UNIFORMLY DISTRIBUTED THERETHROUGH; AND AN OVERLAY OF TUNGSTEN MATERIAL COVERING THE EXTERNAL PORTIONS OF THE COMPOSITE METAL BODY WITHIN SAID BORE AND BEING METALLURGICALLY BONDED THERETO, THE OVERLAY HAVING A DENSITY OF 90 TO 100 PERCENT OF THEORETICAL DENSITY AND A THICKNESS RANGING FROM 0.005 INCH TO 0.070 INCH.
Claim 2
Dependent Claim
89 words
A ROCKET FLUID DISCHARGE NOZZLE COMPRISING: A COMPOSITE METAL BODY HAVING AN AXIAL BORE OF CONVERGENTDIVERGENT CONFIGURATION INCLUDING A RESTRICTED CROSS SECTIONAL THROAT AREA AND BEING COMPOSED OF A MATRIX OF POWDERED TUNGSTEN AND FIBERS OF A DIFFERENT METALLIC MATERIAL UNIFORMLY DISTRIBUTED THERETHROUGH; AND AN OVERLAY OF TUNGSTEN MATERIAL COVERING THE EXTERNAL PORTIONS OF THE COMPOSITE METAL BODY WITHIN SAID BORE AND BEING METALLURGICALLY BONDED THERETO, THE OVERLAY HAVING A DENSITY OF 90 TO 100 PERCENT OF THEORETICAL DENSITY AND A THICKNESS RANGING FROM 0.005 INCH TO 0.070 INCH.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |