US3443050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for heating nonmetallic substance,particularly foodstuffs,by microwave energy
Assignee: Individual
•
Filing: 1966-02-07
•
Granted: 1969-05-06
•
Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Herbert August Puschner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:32
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/642; H05B6/6426
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2888543A
Cited
US3129312A
Cited
US3127494A
Cited
US3219460A
Cited
US3271169A
Cited
US3339054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |