US3296405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave oven
Assignee: Westinghouse Electric Corp
•
Filing: 1963-12-23
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Granted: 1967-01-03
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Bruce R Mcavoy
- 👤 Thaddeus A Osial
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:39
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/6402
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
IN A MICROWAVE OVEN OR THE LIKE HAVING AN EXTERNAL SOURCE OF MICROWAVE ENERGY, A CHANNEL-LIKE INDENTATION OPEN TO THE EXTERIOR AND HAVING OBLIQUE OPPOSITE SIDE WALLS WITH A SEPARATE OPENING IN EACH OF SAID OPPOSITE SIDEWALLS THEREOF ADAPTED TO ADMIT MICROWAVE ENERGY TO THE OVEN INTERIOR, SEPARATE ELECTRONIC MICROWAVE SWITCHING MEANS AT EACH OPENING ADAPTED TO VARY THE IMPEDANCE
Claim 2
Dependent Claim
60 words
IN A MICROWAVE OVEN OR THE LIKE HAVING AN EXTERNAL SOURCE OF MICROWAVE ENERGY, A CHANNEL-LIKE INDENTATION OPEN TO THE EXTERIOR AND HAVING OBLIQUE OPPOSITE SIDE WALLS WITH A SEPARATE OPENING IN EACH OF SAID OPPOSITE SIDEWALLS THEREOF ADAPTED TO ADMIT MICROWAVE ENERGY TO THE OVEN INTERIOR, SEPARATE ELECTRONIC MICROWAVE SWITCHING MEANS AT EACH OPENING ADAPTED TO VARY THE IMPEDANCE
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |