Patent US3107867A successfully refreshed from Google Patents.
US3107867A
Expired / Lapsed
US
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Wear lining
Assignee: Skelleftea Gummifabriks A G
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Filing: 1962-02-23
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Granted: 1963-10-22
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Expires: 1982-02-23
Abstract
No abstract record available.
Inventors
- 👤 Svensson Assar Natanael
- 👤 Brandt Bertil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:06
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/18; B02C17/22; B02C17/225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
WEAR LINING OF RUBBER FOR ROTARY DRUMS, COMPRISING A PLURALITY OF ADJACENT SECTIONS OF SEPARATE RUBBER LIFTING MEANS AND SEPARATE RUBBER LINING PLATES DISPOSED BETWEEN THE SAID LIFTING MEANS, THE SAID LIFTING MEANS BEING PROVIDED WITH AN INTERNAL SLOT HAVING BARS INSERTED THEREIN, SAID BARS HAVING THREADED PINS WELDED THEREON FOR HOLDING THE LIFTING MEANS.
Claim 2
Dependent Claim
55 words
WEAR LINING OF RUBBER FOR ROTARY DRUMS, COMPRISING A PLURALITY OF ADJACENT SECTIONS OF SEPARATE RUBBER LIFTING MEANS AND SEPARATE RUBBER LINING PLATES DISPOSED BETWEEN THE SAID LIFTING MEANS, THE SAID LIFTING MEANS BEING PROVIDED WITH AN INTERNAL SLOT HAVING BARS INSERTED THEREIN, SAID BARS HAVING THREADED PINS WELDED THEREON FOR HOLDING THE LIFTING MEANS.
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |