US2553938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for continuously vulcanizing the rubber covering of conductors
Assignee: American Steel and Wire Company of New Jersey
•
Filing: 1948-02-17
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Granted: 1951-05-22
•
Expires: 1968-02-17
Abstract
No abstract record available.
Inventors
- 👤 Walter T Peirce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:10
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/02; B29C35/04; B29C35/06; B29C35/065; B29C37/00; B29C37/0089; B29C48/00; B29C48/03; B29C48/09; B29K; B29K2021/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE COMBINATION WITH A LIQUID-CONTAINING CHAMBER FOR CONTINUOUSLY PROCESSING A MEMBER OF INDEFINITE LENGTH WHILE IT TRAVELS THERETHROUGH, SAID CHAMBER HAVING A PARTIAL FILLING OF MOLTEN METAL THEREIN, OF A SEALING BOX AT THE OUTLET END OF THE CHAMBER, A PLURALITY OF SPACED SEALS IN THE BOX ADAPTED TO MAKE WIPING ENGAGEMENT WITH SAID MEMBER AND DEFINING SEPARATE COMPARTMENTS OF GRADUALLY DECREASING PRESSURE, STANDPIPES EXTENDING UPWARDLY FROM SAID CHAMBERS, RESPECTIVELY, SAID STANDPIPES DECREASING PROGRESSIVELY IN HEIGHT TOWARD THE OUTLET END OF THE BOX, A PIPE CONNECTION FROM EACH COMPARTTMENT EXTENDING TO SAID CHAMBER, AND PUMP MEANS FOR RETURNING TO THE CHAMBER THE LIQUID LEAKING THEREFROM PAST SAID SEALS INTO SAID COMPARTMENTS.
Claim 2
Dependent Claim
111 words
THE COMBINATION WITH A LIQUID-CONTAINING CHAMBER FOR CONTINUOUSLY PROCESSING A MEMBER OF INDEFINITE LENGTH WHILE IT TRAVELS THERETHROUGH, SAID CHAMBER HAVING A PARTIAL FILLING OF MOLTEN METAL THEREIN, OF A SEALING BOX AT THE OUTLET END OF THE CHAMBER, A PLURALITY OF SPACED SEALS IN THE BOX ADAPTED TO MAKE WIPING ENGAGEMENT WITH SAID MEMBER AND DEFINING SEPARATE COMPARTMENTS OF GRADUALLY DECREASING PRESSURE, STANDPIPES EXTENDING UPWARDLY FROM SAID CHAMBERS, RESPECTIVELY, SAID STANDPIPES DECREASING PROGRESSIVELY IN HEIGHT TOWARD THE OUTLET END OF THE BOX, A PIPE CONNECTION FROM EACH COMPARTTMENT EXTENDING TO SAID CHAMBER, AND PUMP MEANS FOR RETURNING TO THE CHAMBER THE LIQUID LEAKING THEREFROM PAST SAID SEALS INTO SAID COMPARTMENTS.
References Cited (Backward Citations)
US1528537A
Cited
US1610954A
Cited
US2316149A
Cited
US2291344A
Cited
US2373816A
Cited
US2446620A
Cited
US2426341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |