US3373018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of rigid shapes of refractory metals by decomposition of the metal hexafluoride in the interstices of a green compact
Assignee: Honeywell International Inc
•
Filing: 1965-02-17
•
Granted: 1968-03-12
•
Expires: 1985-02-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Oxley
- 👤 Jr John M Blocher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:07
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/06; C23C16/08; A; A61; A61M; A61M3/00; B; B22; B22F; B22F3/00; B22F3/001; C22; C22C; C22C1/00; C22C1/02; C23C16/04; C23C16/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A PROCESS FOR PRODUCING A CHEMICALLY SINTERED, RIGID BODY OF PARTICLES OF A REFRACTORY METAL JOINED BY INTERSTITIAL DEPOSITS OF THE SAME REFRACTORY METAL, WHICH PROCESS COMPRISES: (A) INTRODUCING A VAPOR OF A HIGHER HALIDE OF A REFRACTORY METAL INTO INTERSTICES OF A MASS OF STAGNANT PARTICLES OF THE SAME REFRACTORY METAL MAINTAINED AT A TEMPERATURE CONDUCIVE TO FORMATION AND DEPOSITON OF A SUBHALIDE OF THE REFRACTORY METAL BY REACTION OF SAID HIGHER HALIDE WITH SAID PARTICLES; (B) INTERRUPTING THE INTRODUCTION OF SAID VAPOR; AND (C) INTRODUCING HYDROGEN GAS INTO SAID INTERSTICES CONTAINING SAID SUBHALIDE, SO FORMED AND DEPOSITED, MAINTAINED AT A TEMPERATURE CONDUCIVE TO REDUCTION OF THE SUBHALIDE TO THE REFRACTORY METAL BY REACTION OF HYDROGEN GAS WITH SUBHALIDE.
Claim 2
Dependent Claim
120 words
A PROCESS FOR PRODUCING A CHEMICALLY SINTERED, RIGID BODY OF PARTICLES OF A REFRACTORY METAL JOINED BY INTERSTITIAL DEPOSITS OF THE SAME REFRACTORY METAL, WHICH PROCESS COMPRISES: (A) INTRODUCING A VAPOR OF A HIGHER HALIDE OF A REFRACTORY METAL INTO INTERSTICES OF A MASS OF STAGNANT PARTICLES OF THE SAME REFRACTORY METAL MAINTAINED AT A TEMPERATURE CONDUCIVE TO FORMATION AND DEPOSITON OF A SUBHALIDE OF THE REFRACTORY METAL BY REACTION OF SAID HIGHER HALIDE WITH SAID PARTICLES; (B) INTERRUPTING THE INTRODUCTION OF SAID VAPOR; AND (C) INTRODUCING HYDROGEN GAS INTO SAID INTERSTICES CONTAINING SAID SUBHALIDE, SO FORMED AND DEPOSITED, MAINTAINED AT A TEMPERATURE CONDUCIVE TO REDUCTION OF THE SUBHALIDE TO THE REFRACTORY METAL BY REACTION OF HYDROGEN GAS WITH SUBHALIDE.
References Cited (Backward Citations)
US3185566A
Cited
US3157532A
Cited
US3114961A
Cited
US3072983A
Cited
US3160517A
Cited
US3139658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |