US2716697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thrift cooker
Assignee: General Electric Co
•
Filing: 1953-03-31
•
Granted: 1955-08-30
•
Expires: 1973-03-31
Abstract
No abstract record available.
Inventors
- 👤 William D Grannan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:02
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/10; F24C15/102; F24C15/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2025252A
Cited
US2126234A
Cited
US2257580A
Cited
FR988924A
Cited
US2498651A
Cited
US2519051A
Cited
US2543510A
Cited
US2631470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |