US2756309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and methods for welding electric cable sheaths
Assignee: Pirelli General Cable Works Ltd
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Filing: 1953-12-02
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Granted: 1956-07-24
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Expires: 1973-12-02
Abstract
No abstract record available.
Inventors
- 👤 Donelan James Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:58
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/025; B23K9/0253
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
APPARATUS FOR FORMING A METAL STRIP TO CONSTITUTE A SHEATH AROUND AT LEAST ONE ELECTRIC CORE, COMPRISING IN COMBINATION MEANS FOR PROGRESSIVELY BRINGING THE EDGES OF THE STRIP INTO JUXTAPOSITION AROUND A CABLE CORE, A WELDING TORCH FOR WELDING THE EDGES OF THE STRIP TOGETHER ALONG A SEAM, SAID TORCH HAVING A NORMAL STATIONARY WELDING POSITION, MEANS FOR MOVING THE FORMED STRIP AND THE ENCLOSED CABLE CORE PAST SAID TORCH, MEANS MOUNTING SAID TORCH FOR MOVEMENT PARALLEL TO THE SEAM PRIOR TO STARTING
Claim 2
Dependent Claim
83 words
APPARATUS FOR FORMING A METAL STRIP TO CONSTITUTE A SHEATH AROUND AT LEAST ONE ELECTRIC CORE, COMPRISING IN COMBINATION MEANS FOR PROGRESSIVELY BRINGING THE EDGES OF THE STRIP INTO JUXTAPOSITION AROUND A CABLE CORE, A WELDING TORCH FOR WELDING THE EDGES OF THE STRIP TOGETHER ALONG A SEAM, SAID TORCH HAVING A NORMAL STATIONARY WELDING POSITION, MEANS FOR MOVING THE FORMED STRIP AND THE ENCLOSED CABLE CORE PAST SAID TORCH, MEANS MOUNTING SAID TORCH FOR MOVEMENT PARALLEL TO THE SEAM PRIOR TO STARTING
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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) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |