US3270660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooking oven
Assignee: Westinghouse Electric Corp
•
Filing: 1964-07-23
•
Granted: 1966-09-06
•
Expires: 1984-07-23
Abstract
No abstract record available.
Inventors
- 👤 Edmund H Filipak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:24
CPC Classifications
F; F24; F24C; F24C7/00; F24C7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN AN OVEN, A PLURALITY OF HEATING ELEMENTS INCLUDING TOP AND BOTTOM HEATERS, SAID BOTTOM HEATER BEING CONSTRUCTED AND ARRANGED TO BE CHANGED IN LOCATION IN SAID OVEN, THE BOTTOM HEATER COMPRISING A PLURALITY OF OPEN WORK HEATING ELEMENTS WIDESPREAD IN LOCATION WHEN MOVED TO ITS LOWEST LEVEL IN SAID OVEN AND CLOSELY GROUPED AND LYING PARALLEL TO AND DIRECTLY BELOW SAID TOP HEATER WHEN MOVED UPWARDLY NEARER TO SAID TOP HEATER, THE SPAC-
Claim 2
Dependent Claim
74 words
IN AN OVEN, A PLURALITY OF HEATING ELEMENTS INCLUDING TOP AND BOTTOM HEATERS, SAID BOTTOM HEATER BEING CONSTRUCTED AND ARRANGED TO BE CHANGED IN LOCATION IN SAID OVEN, THE BOTTOM HEATER COMPRISING A PLURALITY OF OPEN WORK HEATING ELEMENTS WIDESPREAD IN LOCATION WHEN MOVED TO ITS LOWEST LEVEL IN SAID OVEN AND CLOSELY GROUPED AND LYING PARALLEL TO AND DIRECTLY BELOW SAID TOP HEATER WHEN MOVED UPWARDLY NEARER TO SAID TOP HEATER, THE SPAC-
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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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |