Patent US3515896A successfully refreshed from Google Patents.
Patent US3107428A successfully refreshed from Google Patents.
Patent US3480753A successfully refreshed from Google Patents.
US3480753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic oven
Assignee: Individual
•
Filing: 1968-02-16
•
Granted: 1969-11-25
•
Expires: 1988-02-16
Abstract
No abstract record available.
Inventors
- 👤 Robert G Wilson
- 👤 Mark R Pharr Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:38
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/6414; H05B6/6417
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3081392A
Cited
US2860026A
Cited
US2961520A
Cited
US2895828A
Cited
GB932314A
Cited
US3104304A
Cited
US3210512A
Cited
US3168637A
Cited
US3177334A
Cited
US3260832A
Cited
US3249731A
Cited
US3308261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |