Patent US3351876A successfully refreshed from Google Patents.
Patent US3338569A successfully refreshed from Google Patents.
US3338569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveying mechanism for a tunnel kiln
Assignee: American Radiator and Standard Sanitary Corp
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Filing: 1965-08-06
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Granted: 1967-08-29
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Expires: 1985-08-06
Abstract
No abstract record available.
Inventors
- 👤 Cuvelier Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:12
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/24; F27B9/2407
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN IMPROVED CONVEYOR MECHANISM FOR A KILN TUNNEL COMPRISING A PLURALITY OF SUBSTANTIALLY FLAT REFRACTORY SLABS FOR SUPPORTING CERAMIC WARE TO BE FIRED, A PLURALITY OF ROTARY CERAMIC MEMBERS ARRANGED TO PROVIDE A SUBSTANTIALLY CONTINUOUS BED SUPPORTING SAID SLABS, MEANS FOR MOVING SAID CERAMIC MEMBERS TO ADVANCE SAID SLABS AND THE WARE SUPPORTED THEREON THROUGH SAID TUNNEL, SAND PINTLE CERTERING MEANS TO MAINTAIN SAID ROTARY CERAMIC MEMBERS CENTERED WITH RESPECT TO THE SIDEWALLS OF SAID TUNNEL.
Claim 2
Dependent Claim
76 words
AN IMPROVED CONVEYOR MECHANISM FOR A KILN TUNNEL COMPRISING A PLURALITY OF SUBSTANTIALLY FLAT REFRACTORY SLABS FOR SUPPORTING CERAMIC WARE TO BE FIRED, A PLURALITY OF ROTARY CERAMIC MEMBERS ARRANGED TO PROVIDE A SUBSTANTIALLY CONTINUOUS BED SUPPORTING SAID SLABS, MEANS FOR MOVING SAID CERAMIC MEMBERS TO ADVANCE SAID SLABS AND THE WARE SUPPORTED THEREON THROUGH SAID TUNNEL, SAND PINTLE CERTERING MEANS TO MAINTAIN SAID ROTARY CERAMIC MEMBERS CENTERED WITH RESPECT TO THE SIDEWALLS OF SAID TUNNEL.
References Cited (Backward Citations)
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |