US3141817A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction press roll
Assignee: Raybestos Manhattan Inc
•
Filing: 1962-08-22
•
Granted: 1964-07-21
•
Expires: 1982-08-22
Abstract
No abstract record available.
Inventors
- 👤 Benjamin T Collins
- 👤 Charles P Mchugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:10
CPC Classifications
D; D21; D21F; D21F3/00; D21F3/02; D21F3/10; D21F3/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A PRESS ROLL COMPRISING A STAINLESS STEEL SHELL AND A RUBBER COVERING BONDED THERETO, THE BOND BETWEEN THE SHELL AND THE COVERING COMPRISING RUBBER HAVING INCORPORATED THEREIN A SACRIFICIAL ANODIC METAL POWDER SELECTED
Claim 2
Dependent Claim
33 words
A PRESS ROLL COMPRISING A STAINLESS STEEL SHELL AND A RUBBER COVERING BONDED THERETO, THE BOND BETWEEN THE SHELL AND THE COVERING COMPRISING RUBBER HAVING INCORPORATED THEREIN A SACRIFICIAL ANODIC METAL POWDER SELECTED
References Cited (Backward Citations)
US2046724A
Cited
US2581920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |