Patent US3550848A successfully refreshed from Google Patents.
US3550848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooking apparatus and methods
Assignee: Robertshaw Controls Co
•
Filing: 1967-12-18
•
Granted: 1970-12-29
•
Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 William K Body
- 👤 Russell J Locascio
- 👤 Harold W Rice
- 👤 Douglas R Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:06
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/12; F24C3/126; F24C3/128; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2365; Y10T137/8593; Y10T137/86389; Y10T137/86445
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |