US3088893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Malleable tube-clad article and manufacturing method therefor
Assignee: General Electric Co
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Filing: 1960-08-31
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Granted: 1963-05-07
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Expires: 1980-08-31
Abstract
No abstract record available.
Inventors
- 👤 Constantine N Spalaris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:47
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/20; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C21/00; G21C21/02; G21C21/06; G21D; G21D3/00; G21D3/08; Y; Y02; Y02E; Y02E30/00; Y02E30/30; 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
119 words
A METHOD FOR PRODUCING MALLEABLE TUBE-CLAD ARTICLES WHICH COMPRISES PASSING A MALLEABLE TUBE CONTAINING AT LEAST ONE HARD HIGH DENSITY MATERIAL BODY OF CYLINDRICAL SHAPE AT LEAST ONE THROUGH A SWAGING MILL PROVIDED WITH SWAGING DIES HAVING A CIRCUULAR OPENING IN THE CONTRACTED POSITION TO EFFECT A DIAMETRAL REDUCTION OF SAID TUBE BY AN AMOUNT SUBSTANTIALLY EQUAL TO THE DIFFERENCE BETWEEN THE INSIDE DIAMETER OF SAID TUBE PRIOR TO SWAGING AND THE OUTSIDE DIAMETER OF THE SMALLEST MATERIAL BODY CONTAINED IN SAID TUBE AND PRODUCE SAID ARTICLE HAVING A MATERIAL BODY-TO-CLAD GAP OF ZERO, THE DIAMETER OF SAID CIRCULAR OPENING IN SAID DIES BEING BETWEEN ABOUT 0.2% AND ABOUT 2.5% LESS THAN THE DIAMETER OF SAID TUBE FOLLOWING SWAGING.
Claim 2
Independent Claim
119 words
A METHOD FOR PRODUCING MALLEABLE TUBE-CLAD ARTICLES WHICH COMPRISES PASSING A MALLEABLE TUBE CONTAINING AT LEAST ONE HARD HIGH DENSITY MATERIAL BODY OF CYLINDRICAL SHAPE AT LEAST ONE THROUGH A SWAGING MILL PROVIDED WITH SWAGING DIES HAVING A CIRCUULAR OPENING IN THE CONTRACTED POSITION TO EFFECT A DIAMETRAL REDUCTION OF SAID TUBE BY AN AMOUNT SUBSTANTIALLY EQUAL TO THE DIFFERENCE BETWEEN THE INSIDE DIAMETER OF SAID TUBE PRIOR TO SWAGING AND THE OUTSIDE DIAMETER OF THE SMALLEST MATERIAL BODY CONTAINED IN SAID TUBE AND PRODUCE SAID ARTICLE HAVING A MATERIAL BODY-TO-CLAD GAP OF ZERO, THE DIAMETER OF SAID CIRCULAR OPENING IN SAID DIES BEING BETWEEN ABOUT 0.2% AND ABOUT 2.5% LESS THAN THE DIAMETER OF SAID TUBE FOLLOWING SWAGING.
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |