US2761207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a composite metal rod
Assignee: Baker and Co Inc
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Filing: 1955-03-16
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Granted: 1956-09-04
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Expires: 1975-03-16
Abstract
No abstract record available.
Inventors
- 👤 Clinton R Dodd
- 👤 Thomas P Hartnett
- 👤 Robinson Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:48
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/28; H01J19/30; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0019; H01J2893/002; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
THE METHOD OF MAKING A COMPOSITE METAL ROD COMPRISING FORMING A REFRACTORY METAL CORE AND A PLATINUM GROUP METAL SHEATH, ANODIZING THE REFRACTORY CORE IN AN AQUEOUS ANODIZING SOLUTION, ETCHING THE INNER SURFACE OF THE PLATINUM GROUP METAL SHEATH, TELESCOPING THE CORE WITHIN THE SHEATH LEAVING A PORTION OF THE SHEATH EXTENDING BEYOND THE CORE, GRIPPING THE SHEATH EXTENSION AND SNUG-FITTING THE SHEATH ONTO THE CORE, REMOVING THE SHEATH EXTENSION AND HOT SWAGING THE COMPOSITE ROD WITH PROGRESSIVE REDUCTION OF THE CROSS-SECTIONAL AREA OF THE COMPOSITE ROD UNDER PROGRESSIVELY REDUCED TEMPERATURES.
Claim 2
Independent Claim
91 words
THE METHOD OF MAKING A COMPOSITE METAL ROD COMPRISING FORMING A REFRACTORY METAL CORE AND A PLATINUM GROUP METAL SHEATH, ANODIZING THE REFRACTORY CORE IN AN AQUEOUS ANODIZING SOLUTION, ETCHING THE INNER SURFACE OF THE PLATINUM GROUP METAL SHEATH, TELESCOPING THE CORE WITHIN THE SHEATH LEAVING A PORTION OF THE SHEATH EXTENDING BEYOND THE CORE, GRIPPING THE SHEATH EXTENSION AND SNUG-FITTING THE SHEATH ONTO THE CORE, REMOVING THE SHEATH EXTENSION AND HOT SWAGING THE COMPOSITE ROD WITH PROGRESSIVE REDUCTION OF THE CROSS-SECTIONAL AREA OF THE COMPOSITE ROD UNDER PROGRESSIVELY REDUCED TEMPERATURES.
References Cited (Backward Citations)
GB434192A
Cited
US2719797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |