US3389455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making clad rods and tubing
Assignee: Texas Instruments Inc
•
Filing: 1965-09-20
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Granted: 1968-06-25
•
Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Kenneth B Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:12
CPC Classifications
B; B22; B22F; B22F7/00; B22F7/06; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12292
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
THE METHOD OF PRODUCING CLAD CYLINDRICAL PRODUCTS, COMPRISING HEATING A CORE, FEEDING SAID CORE BETWEEN TANGENTLY RELATED GROOVES OF TANGENTLY ROTATING ROLLS, FEEDING MATERIAL IN POWDER FORM BETWEEN THE CORE AND SAID GROOVES FOR SQUEEZING THEREOF AGAINST THE CORE BY THE ROLLS TO COMPACT THE POWDER AND EFFECT A PARTIAL BOND BETWEEN THE POWDER PARTICLES AND BETWEEN SOME OF THEM
Claim 2
Independent Claim
60 words
THE METHOD OF PRODUCING CLAD CYLINDRICAL PRODUCTS, COMPRISING HEATING A CORE, FEEDING SAID CORE BETWEEN TANGENTLY RELATED GROOVES OF TANGENTLY ROTATING ROLLS, FEEDING MATERIAL IN POWDER FORM BETWEEN THE CORE AND SAID GROOVES FOR SQUEEZING THEREOF AGAINST THE CORE BY THE ROLLS TO COMPACT THE POWDER AND EFFECT A PARTIAL BOND BETWEEN THE POWDER PARTICLES AND BETWEEN SOME OF THEM
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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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |