US3082516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrication of metal shapes
Assignee: Union Carbide Corp
•
Filing: 1957-12-03
•
Granted: 1963-03-26
•
Expires: 1977-12-03
Abstract
No abstract record available.
Inventors
- 👤 Robert G Rudness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:54
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/40; B23K35/402; C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/12; C23C4/134; C23C4/18; C23C4/185; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/4998; Y10T29/49988
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
PROCESS OF MAKING METAL SHAPES OF SELECTED REFRACTORY MATERIAL, WHICH COMPRISES APPLYING REFRACTORY MATERIAL SELECTED FROM THE CLASS CONSISTING OF REFRACTORY METALS SUCH AS TUNGSTEN, CHROMIUM, NIOBIUM, MOLYBDENUM, NICKEL, TANTALUM, TITANIUM, AND ZIRCONIUM, AS WELL AS MIXTURES OF REFRACTORY METALS WITH EMISSIVE MATERIALS, SUCH AS THE EMISSIVE METAL OXIDES THORIA OR YTTRIA TO A TEMPORARY SOLID SUPPORT BY AN ELECTRIC ARC-GAS PROCESS WHICH HEATS AND ACCELERATES PARTICLES OF SAID SELECTED REFRACTORY MATERIAL IN AN ARC EFFLUENT OF INERT GAS TO FORM A CHEMICALLY UNCHANGED COATING OF SUCH SELECTED MATERIAL OF DEISRED SHAPE ON SUCH SUPPORT BELOW THE MELTING TEMPERATURE OF THE LATTER TO PREVENT INTERMINGLING, AND THEN SEPARATING SUCH COATING AND SUCH SUPPORT WITHOUT CHANGING SUCH SHAPE.
Claim 2
Dependent Claim
117 words
PROCESS OF MAKING METAL SHAPES OF SELECTED REFRACTORY MATERIAL, WHICH COMPRISES APPLYING REFRACTORY MATERIAL SELECTED FROM THE CLASS CONSISTING OF REFRACTORY METALS SUCH AS TUNGSTEN, CHROMIUM, NIOBIUM, MOLYBDENUM, NICKEL, TANTALUM, TITANIUM, AND ZIRCONIUM, AS WELL AS MIXTURES OF REFRACTORY METALS WITH EMISSIVE MATERIALS, SUCH AS THE EMISSIVE METAL OXIDES THORIA OR YTTRIA TO A TEMPORARY SOLID SUPPORT BY AN ELECTRIC ARC-GAS PROCESS WHICH HEATS AND ACCELERATES PARTICLES OF SAID SELECTED REFRACTORY MATERIAL IN AN ARC EFFLUENT OF INERT GAS TO FORM A CHEMICALLY UNCHANGED COATING OF SUCH SELECTED MATERIAL OF DEISRED SHAPE ON SUCH SUPPORT BELOW THE MELTING TEMPERATURE OF THE LATTER TO PREVENT INTERMINGLING, AND THEN SEPARATING SUCH COATING AND SUCH SUPPORT WITHOUT CHANGING SUCH SHAPE.
References Cited (Backward Citations)
US1286089A
Cited
US1733608A
Cited
US1910884A
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US2191470A
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US2172207A
Cited
US2280864A
Cited
US2280866A
Cited
US2353635A
Cited
US2488731A
Cited
US2588421A
Cited
US2824359A
Cited
US2629907A
Cited
US2745172A
Cited
US2754225A
Cited
US2887413A
Cited
US2806124A
Cited
US2837817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |