US3320945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam cabinet for food products
Assignee: Frymaster LLC
•
Filing: 1964-11-12
•
Granted: 1967-05-23
•
Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Robert L Dunkelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:48
CPC Classifications
A; A47; A47J; A47J39/00; A47J39/02; A47J27/00; A47J27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
AN APPARATUS FOR HEATING FOOD PRODUCT ARTICLES WITH STEAM COMPRISING A TRAY FOR SUPPORTING FOOD PRODUCT ARTICLES TO BE HEATED, A REMOVABLE HOOD EXTENDING OVER SAID TRAY ENCLOSING SAID ARTICLES WHEN ON SAID TRAY, STEAM DISTRIBUTING MEANS WITHIN SAID HOOD, A STEAM GENERATING CHAMBER BENEATH SAID TRAY, SAID STEAM GENERATING CHAMBER INCLUDING A LABYRINTH TUNNEL HAVING FIRST AND SECOND PARALLEL PASSAGES COMMUNICATING IN SAID TUNNEL AT ONE END, TWO NOZZLES FOR ADMISSION OF WATER INDEPENDENTLY INTO SAID FIRST AND SECOND PARALLEL PASSAGES AND AN OUTLET FOR STEAM, A CONDUIT CONNECTING SAID OUTLET TO SAID STEAM DISTRIBUTING MEANS, MEANS CONNECTING SAID NOZZLES TO A SOURCE OF WATER, AND MEANS FOR HEATING SAID CHAMBER TO VAPORIZE SAID WATER WHEN ADMITTED TO SAID CHAMBER THROUGH SAID NOZZLES.
Claim 2
Independent Claim
124 words
AN APPARATUS FOR HEATING FOOD PRODUCT ARTICLES WITH STEAM COMPRISING A TRAY FOR SUPPORTING FOOD PRODUCT ARTICLES TO BE HEATED, A REMOVABLE HOOD EXTENDING OVER SAID TRAY ENCLOSING SAID ARTICLES WHEN ON SAID TRAY, STEAM DISTRIBUTING MEANS WITHIN SAID HOOD, A STEAM GENERATING CHAMBER BENEATH SAID TRAY, SAID STEAM GENERATING CHAMBER INCLUDING A LABYRINTH TUNNEL HAVING FIRST AND SECOND PARALLEL PASSAGES COMMUNICATING IN SAID TUNNEL AT ONE END, TWO NOZZLES FOR ADMISSION OF WATER INDEPENDENTLY INTO SAID FIRST AND SECOND PARALLEL PASSAGES AND AN OUTLET FOR STEAM, A CONDUIT CONNECTING SAID OUTLET TO SAID STEAM DISTRIBUTING MEANS, MEANS CONNECTING SAID NOZZLES TO A SOURCE OF WATER, AND MEANS FOR HEATING SAID CHAMBER TO VAPORIZE SAID WATER WHEN ADMITTED TO SAID CHAMBER THROUGH SAID NOZZLES.
References Cited (Backward Citations)
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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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |