Patent US2883978A successfully refreshed from Google Patents.
US2883978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bake and broil unit
Assignee: Preway Inc
•
Filing: 1954-05-19
•
Granted: 1959-04-28
•
Expires: 1974-05-19
Abstract
No abstract record available.
Inventors
- 👤 Willis N Nelson
- 👤 Casimir J Pavlak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:27
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/18; F24C15/20; F24C15/2007; F24C3/00; F24C3/02; F24C3/027
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1962222A
Cited
US1916297A
Cited
US2376571A
Cited
US2485359A
Cited
US2512521A
Cited
US2632435A
Cited
US2633840A
Cited
US2839044A
Cited
US2739583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |