US3273199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calender for drawing foils and the like of synthetic material
Assignee: Joh Kleinewefers Soehne KG
•
Filing: 1964-05-04
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Granted: 1966-09-20
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Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Kleinewefers Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:34
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/22; B29C43/24; B29C43/245; B01; B01D; B01D35/00; B01D35/005; F; F01; F01M; F01M13/00; F01M13/04; F01M2013/0438
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A CALENDAR HAVING A TRAIN OF AT LEAST THREE ROLLERS FOR DRAWING SYNTHETIC FOILS, IN WHICH MATERIAL FED BETWEEN THE FIRST TWO ROLLERS IN SAID TRAIN PASSED SUCCESSIVELY BETWEEN SAID ROLLERS UNTIL IT LEAVES THE LAST ROLLER; MEANS FOR SUPPORTING THE LAST THREE ROLLERS WITH THEIR AXES IN PARALLEL PLANES, AND INCLUDIING MEANS FOR ANGULARLY ADJUSTING EACH OF THE LAST TWO ROLLERS WITH THEIR AXES MAINTAINED IN PARALLEL PLANES, THE MEANS FOR SUPPORTING THE ROLLER NEXT PRECEDING THE LAST TWO ROLLERS MAINTAINING ITS AXES IN A PLANE PERPENDICULAR TO SAID PARALLEL PLANES.
Claim 2
Dependent Claim
93 words
IN A CALENDAR HAVING A TRAIN OF AT LEAST THREE ROLLERS FOR DRAWING SYNTHETIC FOILS, IN WHICH MATERIAL FED BETWEEN THE FIRST TWO ROLLERS IN SAID TRAIN PASSED SUCCESSIVELY BETWEEN SAID ROLLERS UNTIL IT LEAVES THE LAST ROLLER; MEANS FOR SUPPORTING THE LAST THREE ROLLERS WITH THEIR AXES IN PARALLEL PLANES, AND INCLUDIING MEANS FOR ANGULARLY ADJUSTING EACH OF THE LAST TWO ROLLERS WITH THEIR AXES MAINTAINED IN PARALLEL PLANES, THE MEANS FOR SUPPORTING THE ROLLER NEXT PRECEDING THE LAST TWO ROLLERS MAINTAINING ITS AXES IN A PLANE PERPENDICULAR TO SAID PARALLEL PLANES.
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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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |