US3209112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oven
Assignee: Westinghouse Electric Corp
•
Filing: 1963-05-29
•
Granted: 1965-09-28
•
Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 Stewart C Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:49
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN APPARATUS FOR HEATING MATERIALS IN A WALLED ENCLOSURE ADAPTED TO CONTAIN MICROWAVE ENERGY AND SUPPLIED THEREWITH THROUGH AN OPENING IN ONE WALL THEREOF, THE ENCLOSURE HAVING ANOTHER WALL PERPENDICULAR TO AND INTERSECTING THE FIRST WALL NEAR THE OPENING THEREIN, A PLURALITY OF ELECTRICALLY CONDUCTIVE STRIPS SPACED PARALLEL TO ONE ANOTHER AND TERMINATING AT ONE END AT THE OPENING, ALONG THE SIDE THEREOF FURTHEST FROM THE SECOND WALL, AND TERMINATING AT THE OPPOSITE END AGAINST THE SECOND WALL, AN INTERMEDIATE PORTION OF THE STRIPS SUBSTANTIALLY PARALLELING THE SECOND WALL FOR A DISTANCE EXCEEDING THE WAVELENGTH OF THE MICROWAVE ENERGY.
Claim 2
Dependent Claim
99 words
IN APPARATUS FOR HEATING MATERIALS IN A WALLED ENCLOSURE ADAPTED TO CONTAIN MICROWAVE ENERGY AND SUPPLIED THEREWITH THROUGH AN OPENING IN ONE WALL THEREOF, THE ENCLOSURE HAVING ANOTHER WALL PERPENDICULAR TO AND INTERSECTING THE FIRST WALL NEAR THE OPENING THEREIN, A PLURALITY OF ELECTRICALLY CONDUCTIVE STRIPS SPACED PARALLEL TO ONE ANOTHER AND TERMINATING AT ONE END AT THE OPENING, ALONG THE SIDE THEREOF FURTHEST FROM THE SECOND WALL, AND TERMINATING AT THE OPPOSITE END AGAINST THE SECOND WALL, AN INTERMEDIATE PORTION OF THE STRIPS SUBSTANTIALLY PARALLELING THE SECOND WALL FOR A DISTANCE EXCEEDING THE WAVELENGTH OF THE MICROWAVE ENERGY.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |