US3216893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screen fabric for making forming wires for paper machines
Assignee: Individual
•
Filing: 1962-06-22
•
Granted: 1965-11-09
•
Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Schuster Karl Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:03
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/0027; D21F1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A SCREEN FABRIC FOR MAKING FORMING WIRES FOR PAPER MACHINES HAVING WARP AND WEFT WIRES, SAID WEFT WIRES CONSISTING ALTERNATELY OF METAL AND OF PLASTIC, AND THE DIAMETER OF THE PLASTIC WEFT WIRES BEING GREATER THAN THE DIAMETER OF THE METAL WEFT WIRES.
Claim 2
Dependent Claim
43 words
A SCREEN FABRIC FOR MAKING FORMING WIRES FOR PAPER MACHINES HAVING WARP AND WEFT WIRES, SAID WEFT WIRES CONSISTING ALTERNATELY OF METAL AND OF PLASTIC, AND THE DIAMETER OF THE PLASTIC WEFT WIRES BEING GREATER THAN THE DIAMETER OF THE METAL WEFT WIRES.
References Cited (Backward Citations)
US1337053A
Cited
US2249940A
Cited
US2354022A
Cited
US2384771A
Cited
US2569764A
Cited
US2969581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |