US3228320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doughnut inverter
Assignee: Individual
•
Filing: 1964-10-05
•
Granted: 1966-01-11
•
Expires: 1984-10-05
Abstract
No abstract record available.
Inventors
- 👤 Anthony P Tumonis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:03
CPC Classifications
A; A21; A21B; A21B5/00; A21B5/08; A47; A47J; A47J37/00; A47J37/12; A47J37/1214
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN APPARATUS FOR COOKING AN ARTICLE BUOYANTLY SUPPORTED IN A COOKING FLUID, MEANS FOR ADVANCING AN ARTICLE ALONG A PREDETERMINED PATH IN SAID FLUID, SAID ARTICLE HAVING A HORIZONTAL CENTERLINE GENERALLY PERPENDICULAR TO SAID PATH, AND INTERMITTENTLY ACTUATE MEANS, INCLUDING SAID ADVANCING MEANS IN PART, HAVING A COMPONENT PIVOTED AT A POINT ABOVE SAID PREDETERMINED PATH AND A PORTION MOVABLE RAPIDLY UPWARDLY INTO CONTACT WITH A SUBMERGED PORTION OF SAID ARTICLE FOR IMPARTING ONLY A SINGLE SUDDEN GENERALLY UPWARDLY DIRECTED FORCE TO THE SUBMERGED PORTION OF SAID ARTICLE AT ONE SIDE OF SAID CENTERLINE WITH THE PORTION OF THE ARTICLE ON THE OTHER SIDE OF SAID CENTERLING BEING FREE AND WITH SAID ARTICLE PRINCIPALLY BUOYANTLY SUPPORTED IN SAID FLUID TO INVERT SAID ARTICLE AS IT ADVANCES.
Claim 2
Dependent Claim
126 words
IN APPARATUS FOR COOKING AN ARTICLE BUOYANTLY SUPPORTED IN A COOKING FLUID, MEANS FOR ADVANCING AN ARTICLE ALONG A PREDETERMINED PATH IN SAID FLUID, SAID ARTICLE HAVING A HORIZONTAL CENTERLINE GENERALLY PERPENDICULAR TO SAID PATH, AND INTERMITTENTLY ACTUATE MEANS, INCLUDING SAID ADVANCING MEANS IN PART, HAVING A COMPONENT PIVOTED AT A POINT ABOVE SAID PREDETERMINED PATH AND A PORTION MOVABLE RAPIDLY UPWARDLY INTO CONTACT WITH A SUBMERGED PORTION OF SAID ARTICLE FOR IMPARTING ONLY A SINGLE SUDDEN GENERALLY UPWARDLY DIRECTED FORCE TO THE SUBMERGED PORTION OF SAID ARTICLE AT ONE SIDE OF SAID CENTERLINE WITH THE PORTION OF THE ARTICLE ON THE OTHER SIDE OF SAID CENTERLING BEING FREE AND WITH SAID ARTICLE PRINCIPALLY BUOYANTLY SUPPORTED IN SAID FLUID TO INVERT SAID ARTICLE AS IT ADVANCES.
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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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |