US3508023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for high frequency heating of articles successively conveyed therethrough
Assignee: Panasonic Holdings Corp
•
Filing: 1968-03-11
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Granted: 1970-04-21
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Expires: 1988-03-11
Abstract
No abstract record available.
Inventors
- 👤 Kazunori Ueda
- 👤 Shigeru Araki
- 👤 Minoru Yokoyama
- 👤 Toshitaka Onizuka
- 👤 Morimasa Ogawa
- 👤 Mituru Shimizu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:55
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/78; H05B6/782; A; A21; A21B; A21B2/00; A23; A23B; A23B2/00; A23B2/05; A23B2/08; A23B2/20; A23B2/22; H05B6/76
Claims Analysis
Total Claims: 0
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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) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |