Patent US2592652A successfully refreshed from Google Patents.
Patent US3574022A successfully refreshed from Google Patents.
US3574022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveying or driving belt and method for making same
Assignee: H Rost & Co
•
Filing: 1968-02-19
•
Granted: 1971-04-06
•
Expires: 1988-02-19
Abstract
Abstract A MULTI-LAYER CONVEYOR OR DRIVE BELT AND A PROCESS OF MANUFACTURING THE MULTI-LAYER BELT WHICH COMPRISES UTILIZING A PLURALITY OF ALTERNATE FABRIC SHEETS AND BONDING MATERIAL SHEETS OR UTILIZING FABRIC SHEETS COATED OR TREATED WITH A BONDING MATERIAL, THE FABRIC SHEETS BEING FORMED WITH WEFTS OF FABRICS, BODY WARPS OF FABRIC AND PERIPHERAL WARPS OF A MATERIAL WHICH UPON LAMINATION OF THE SHEETS WILL FUSE WITH THE BONDING MATERIAL.
Inventors
- 👤 Walter Rudolf Lampert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:32
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/30; B65G15/56; B29; B29D; B29D29/00; B65G15/32; B65G15/34; F; F16; F16G; F16G1/00; F16G1/04; B65G2201/00; B65G2201/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |