US3124429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web and strand treating apparatus
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:33
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/12; D; D21; D21F; D21F5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN CONTINUOUS AND SEMI-CONTINUOUS STRIP TREATING APPARATUS FOR HEATING A STRIP TO A DESIRED TEMPERATURE AND SIMULTANEOUSLY STRETCHING SAID STRIP TO A DESIRED DEGREE, HEATING MEANS FOR HEATING A STRIP AT A CONTROLLABLE AND VARIABLE RATE, MEANS TO FEED SAID STRIP THROUGH SAID HEATING MEANS, MEASURING MEANS FOR MEASURING THE STRETCH OCCURRING IN THE STRIP BEING FED, MEANS RESPONSIVE TO SAID MEASURING MEANS FOR VARYING THE HEATING RATE OF SAID VARIABLE-RATE HEATING MEANS AS AN INVERSE FUNCTION OF THE AMOUNT BY WHICH STRETCH OCCURRING DURING FEEDING OF SAID STRIP THROUGH SAID HEATING MEANS EXCEEDS OR FALLS SHORT OF SAID DESIRED DEGREE OF STRETCHING, AND MEANS FOR MAINTAINING A CONSTANT TENSION ON SAID STRIP IN SAID HEATING MEANS.
Claim 2
Dependent Claim
117 words
IN CONTINUOUS AND SEMI-CONTINUOUS STRIP TREATING APPARATUS FOR HEATING A STRIP TO A DESIRED TEMPERATURE AND SIMULTANEOUSLY STRETCHING SAID STRIP TO A DESIRED DEGREE, HEATING MEANS FOR HEATING A STRIP AT A CONTROLLABLE AND VARIABLE RATE, MEANS TO FEED SAID STRIP THROUGH SAID HEATING MEANS, MEASURING MEANS FOR MEASURING THE STRETCH OCCURRING IN THE STRIP BEING FED, MEANS RESPONSIVE TO SAID MEASURING MEANS FOR VARYING THE HEATING RATE OF SAID VARIABLE-RATE HEATING MEANS AS AN INVERSE FUNCTION OF THE AMOUNT BY WHICH STRETCH OCCURRING DURING FEEDING OF SAID STRIP THROUGH SAID HEATING MEANS EXCEEDS OR FALLS SHORT OF SAID DESIRED DEGREE OF STRETCHING, AND MEANS FOR MAINTAINING A CONSTANT TENSION ON SAID STRIP IN SAID HEATING MEANS.
References Cited (Backward Citations)
US2932901A
Cited
US508993A
Cited
US285954A
Cited
US636174A
Cited
US2038457A
Cited
US2420399A
Cited
US2409431A
Cited
US2582241A
Cited
US2571815A
Cited
US2639364A
Cited
US2952078A
Cited
US2807096A
Cited
US2955342A
Cited
US2807097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |