US3345937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calender roll for pressure treating materials
Assignee: KUSTERS
•
Filing: 1966-04-26
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Granted: 1967-10-10
•
Expires: 1986-04-26
Abstract
No abstract record available.
Inventors
- 👤 Kusters Eduard
- 👤 Quoos Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:18
CPC Classifications
D; D06; D06B; D06B15/00; D06B15/02; D06C; D06C15/00; D06C15/02; D06C15/08; D21; D21G; D21G1/00; D21G1/002; D21G1/0026; D21G1/0033; D21G1/02; D21G1/0233; D21G1/0253; D21G1/0266; F; F16; F16C; F16C13/00; F16C2340/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A CALENDER FOR WEBS OF PAPER OR TEXTILE MATERIAL COMPRISING A POLYAMIDE ROLLER AND AT LEAST TWO SUBSTANTIALLY RIGID ROLLERS SUBSTANTIALLY ON OPPOSITE SIDES OF SAID POLYAMIDE ROLLER, SAID POLYAMIDE ROLLER CONSISTING ENTIRELY OF SOLID SYNTHETIC POLYAMIDE MATERIAL THROUGHOUT SUBSTANTIALLY THE ENTIRE DIAMETER OF THE ROLLER AND BEING FREE OF
Claim 2
Dependent Claim
50 words
A CALENDER FOR WEBS OF PAPER OR TEXTILE MATERIAL COMPRISING A POLYAMIDE ROLLER AND AT LEAST TWO SUBSTANTIALLY RIGID ROLLERS SUBSTANTIALLY ON OPPOSITE SIDES OF SAID POLYAMIDE ROLLER, SAID POLYAMIDE ROLLER CONSISTING ENTIRELY OF SOLID SYNTHETIC POLYAMIDE MATERIAL THROUGHOUT SUBSTANTIALLY THE ENTIRE DIAMETER OF THE ROLLER AND BEING FREE OF
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |