US2861167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible electric fin-type baseboard heater
Assignee: Individual
•
Filing: 1957-03-04
•
Granted: 1958-11-18
•
Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 Alwood P Wick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:55
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/002
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1631469A
Cited
US2733049A
Cited
US1986350A
Cited
US2405839A
Cited
US2455967A
Cited
US2654017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |