US3470942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave heating apparatus and method
Assignee: Sanyo Electric Co Ltd
•
Filing: 1967-12-08
•
Granted: 1969-10-07
•
Expires: 1987-12-08
Abstract
No abstract record available.
Inventors
- 👤 Shuzo Fukada
- 👤 Takayoshi Kido
- 👤 Hirotugu Hurutate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:50
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/66; H05B6/666; A; A23; A23B; A23B4/00; A23B4/06; A23B4/07; Y; Y10; Y10S; Y10S165/00; Y10S165/918; Y10S165/919
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |