Patent US2704320A successfully refreshed from Google Patents.
US2704320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Movable griddle attached to range
Assignee: Avco Manufacturing Corp
•
Filing: 1951-01-13
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Granted: 1955-03-15
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Expires: 1971-01-13
Abstract
No abstract record available.
Inventors
- 👤 Crawford Ruby Jane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:07
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/18
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |