Patent US3462575A successfully refreshed from Google Patents.
US3462575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave heating device
Assignee: Rantec Holdings Inc
•
Filing: 1967-05-31
•
Granted: 1969-08-19
•
Expires: 1987-05-31
Abstract
No abstract record available.
Inventors
- 👤 Reed E Holaday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:29
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/44; A61M5/445; H; H05; H05B; H05B6/00; H05B6/64; H05B6/6408; H05B6/6411; A61M1/00; A61M1/02; A61M1/025; A61M2205/00; A61M2205/36; A61M2205/368; A61M2205/3686
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) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |