Patent US2664878A successfully refreshed from Google Patents.
US2664878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable broiler for cook stoves
Assignee: Keefe & Merritt Co O
•
Filing: 1949-10-28
•
Granted: 1954-01-05
•
Expires: 1969-10-28
Abstract
No abstract record available.
Inventors
- 👤 Wilbur G Durant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:18
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1811428A
Cited
US1808357A
Cited
US1941541A
Cited
US2135309A
Cited
US2127146A
Cited
US2339422A
Cited
US2263473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |