US3224109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the vacuum-drying of leather
Assignee: Officine Di Cartigliano SpA
•
Filing: 1963-02-08
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Granted: 1965-12-21
•
Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
- 👤 Turato Luigi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:47
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; F26B5/045; C; C14; C14B; C14B1/00; C14B1/26; C14B1/58; C14B2700/00; C14B2700/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
AN APPARATUS FOR THE VACUUM-DRYING OF LEATHER, COMPRISING A HEATABLE PLATE FOR RECEIVING LEATHER TO BE DRIED, A MOVABLE COVER FOR SAID PLATE ADAPTED TO MOVE INTO SEALING ENGAGEMENT WITH THE PERIPHERY OF SAID PLATE AND SHAPED TO FORM A VACUUM CHAMBER HOUSING THE LEATHER TO B E DRIED, AND A VACUUM PUMP CONNECTED TO SAID VACUUM CHAMBER BY A SUCTIN LINE, SAID SUCTION LINE INCLUDING A VACUUM ACCUMULATOR AND A WATER VAPOR CONDENSER SEPARATE FROM ONE ANOTHER AND CONNECTED IN SERIES, A RIGID MANIFOLD MOUNTED IN SAID COVER MOVABLE THEREWITH AND TERMINATING IN A RIGID NECK HAVING A FREE OUTLET END, A LOWER DUCT FIXED TO SAID VAPOR CONDENSE
Claim 2
Independent Claim
110 words
AN APPARATUS FOR THE VACUUM-DRYING OF LEATHER, COMPRISING A HEATABLE PLATE FOR RECEIVING LEATHER TO BE DRIED, A MOVABLE COVER FOR SAID PLATE ADAPTED TO MOVE INTO SEALING ENGAGEMENT WITH THE PERIPHERY OF SAID PLATE AND SHAPED TO FORM A VACUUM CHAMBER HOUSING THE LEATHER TO B E DRIED, AND A VACUUM PUMP CONNECTED TO SAID VACUUM CHAMBER BY A SUCTIN LINE, SAID SUCTION LINE INCLUDING A VACUUM ACCUMULATOR AND A WATER VAPOR CONDENSER SEPARATE FROM ONE ANOTHER AND CONNECTED IN SERIES, A RIGID MANIFOLD MOUNTED IN SAID COVER MOVABLE THEREWITH AND TERMINATING IN A RIGID NECK HAVING A FREE OUTLET END, A LOWER DUCT FIXED TO SAID VAPOR CONDENSE
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |