Patent US3358321A successfully refreshed from Google Patents.
US3358321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calender with extra roll
Assignee: Adamson United Co
•
Filing: 1966-04-12
•
Granted: 1967-12-19
•
Expires: 1986-04-12
Abstract
No abstract record available.
Inventors
- 👤 Rex C Seanor
- 👤 Perlberg S Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:55
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/22; B29C43/24; B29C48/00; B29C48/001; B29C48/03; B29C48/07; B29C48/08; B29C48/12; Y; Y10; Y10S; Y10S425/00; Y10S425/235
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A CONVENTIONAL FOUR ROLL INVERTED L-TYPE CALENDER INCLUDING A TOP ROLL, A MIDDLE ROLL, A BOTTOM ROLL, AND AN OFFSET ROLL CHARACTERIZED BY AN EXTRA CALENDER ROLL POSITIONED PARALLEL TO AND IN VERTICAL ALIGNMENT WITH THE OFFSET ROLL, AND EXTRUDER MEANS DELIVERING STOCK TO THE BITE BETWEEN THE EXTRA ROLL AND THE OFFSET ROLL, SAID EXTRUDER MEANS INCLUDING A WIDE FLAT DIE EXTENDING SUBSTNATIALLY THE FULL WIDTH OF THE CALENDER ROLLS SO THAT AS THE STOCK EMERGES FROM BETWEEN THE OFFSET ROLL AND EXTRA ROLL A SUBSTANTIALLY FLAT SHEET OF STOCK IS DIRECTED TO THE BITE BETWEEN THE OFFSET ROLL AND THE TOP ROLL.
Claim 2
Dependent Claim
104 words
A CONVENTIONAL FOUR ROLL INVERTED L-TYPE CALENDER INCLUDING A TOP ROLL, A MIDDLE ROLL, A BOTTOM ROLL, AND AN OFFSET ROLL CHARACTERIZED BY AN EXTRA CALENDER ROLL POSITIONED PARALLEL TO AND IN VERTICAL ALIGNMENT WITH THE OFFSET ROLL, AND EXTRUDER MEANS DELIVERING STOCK TO THE BITE BETWEEN THE EXTRA ROLL AND THE OFFSET ROLL, SAID EXTRUDER MEANS INCLUDING A WIDE FLAT DIE EXTENDING SUBSTNATIALLY THE FULL WIDTH OF THE CALENDER ROLLS SO THAT AS THE STOCK EMERGES FROM BETWEEN THE OFFSET ROLL AND EXTRA ROLL A SUBSTANTIALLY FLAT SHEET OF STOCK IS DIRECTED TO THE BITE BETWEEN THE OFFSET ROLL AND THE TOP ROLL.
References Cited (Backward Citations)
US752975A
Cited
US1445990A
Cited
US1539052A
Cited
US2771388A
Cited
US3116194A
Cited
US3116787A
Cited
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 |