US3358980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for quenching web material
Assignee: Inland Steel Co
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Filing: 1965-01-21
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Granted: 1967-12-19
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Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Harold L Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:23
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/62; C21D1/63; C21D1/64; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/573
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
111 words
A METHOD FOR QUENCHING A WEB OF MATERIAL IN A BATH OF LIQUID QUENCHING MEDIUM, SAID METHOD COMPRISING THE STEPS OF: INTRODUCING SAID WEB INTO SAID BATH OF LIQUID QUENCHING MEDIUM; INTRODUCING ADDITIONAL LIQUID QUENCHING MEDIUM INTO SAID BATH; CONTACTING A SURFACE OF SAID WEB WITH SAID ADDITIONAL LIQUID QUENCHING MEDIUM, INITIALLY AT SUBSTANTIALLY THE LOCATION WHERE THE WEB ENTERS THE BATH; AND MOVING SAID ADDITIONAL LIQUID QUENCHING MEDIUM, FROM THE TIME IT ENTERS THE REGION OF INITIAL CONTACT, INWARDLY INTO SAID BATH AWAY FROM THE SURFACE OF THE BATH ALONG A PATH EXTENDING ALONGSIDE SAID WEB AND IN A DIRECTION SUBSTANTIALLY THE SAME AS THAT IN WHICH THE WEB MOVES.
Claim 2
Independent Claim
111 words
A METHOD FOR QUENCHING A WEB OF MATERIAL IN A BATH OF LIQUID QUENCHING MEDIUM, SAID METHOD COMPRISING THE STEPS OF: INTRODUCING SAID WEB INTO SAID BATH OF LIQUID QUENCHING MEDIUM; INTRODUCING ADDITIONAL LIQUID QUENCHING MEDIUM INTO SAID BATH; CONTACTING A SURFACE OF SAID WEB WITH SAID ADDITIONAL LIQUID QUENCHING MEDIUM, INITIALLY AT SUBSTANTIALLY THE LOCATION WHERE THE WEB ENTERS THE BATH; AND MOVING SAID ADDITIONAL LIQUID QUENCHING MEDIUM, FROM THE TIME IT ENTERS THE REGION OF INITIAL CONTACT, INWARDLY INTO SAID BATH AWAY FROM THE SURFACE OF THE BATH ALONG A PATH EXTENDING ALONGSIDE SAID WEB AND IN A DIRECTION SUBSTANTIALLY THE SAME AS THAT IN WHICH THE WEB MOVES.
Claim 3
Dependent Claim
126 words
APPARATUS FOR QUENCHING A MOVING WEB OF MATERIAL IN A BATH OF LIQUID QUENCHING MEDIUM, SAID APPARATUS COMPRISING: MEANS FOR CONTAINING SAID BATH OF LIQUID QUENCHING MEDIUM; MEANS FOR INTRODUCING SAID WEB INTO SAID BATH; MEANS FOR INTRODUCING ADDITIONAL LIQUID QUENCHING MEDIUM INTO SAID BATH; MEANS FOR CONTACTING A SURFACE OF SAID WEB WITH SAID ADDITIONAL LIQUID QUENCHING MEDIUM, INITIALLY AT SUBSTANTIALLY THE LOCATION WHERE THE WEB ENTERS THE BATH; AND MEANS COOPERABLE WITH SAID MOVING WEB TO DIRECT SAID ADDITIONAL LIQUID QUENCHING MEDIUM, FROM THE TIME IT ENTERS THE REGION OF INITIAL CONTACT, INWARDLY INTO SAID BATH AWAY FROM THE SURFACE OF THE BATH ALONG A PATH EXTENDING ALONGSIDE SAID WEB AND IN A DIRECTION SUBSTANTIALLY THE SAME AS THAT IN WHICH THE WEB MOVES.
Claim 4
Dependent Claim
126 words
APPARATUS FOR QUENCHING A MOVING WEB OF MATERIAL IN A BATH OF LIQUID QUENCHING MEDIUM, SAID APPARATUS COMPRISING: MEANS FOR CONTAINING SAID BATH OF LIQUID QUENCHING MEDIUM; MEANS FOR INTRODUCING SAID WEB INTO SAID BATH; MEANS FOR INTRODUCING ADDITIONAL LIQUID QUENCHING MEDIUM INTO SAID BATH; MEANS FOR CONTACTING A SURFACE OF SAID WEB WITH SAID ADDITIONAL LIQUID QUENCHING MEDIUM, INITIALLY AT SUBSTANTIALLY THE LOCATION WHERE THE WEB ENTERS THE BATH; AND MEANS COOPERABLE WITH SAID MOVING WEB TO DIRECT SAID ADDITIONAL LIQUID QUENCHING MEDIUM, FROM THE TIME IT ENTERS THE REGION OF INITIAL CONTACT, INWARDLY INTO SAID BATH AWAY FROM THE SURFACE OF THE BATH ALONG A PATH EXTENDING ALONGSIDE SAID WEB AND IN A DIRECTION SUBSTANTIALLY THE SAME AS THAT IN WHICH THE WEB MOVES.
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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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |