US2655587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall-mountable electric heater and housing assembly therefor
Assignee: Individual
•
Filing: 1951-05-11
•
Granted: 1953-10-13
•
Expires: 1971-05-11
Abstract
No abstract record available.
Inventors
- 👤 Steingruber Minnie Baas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:30
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/04; F24H3/0405; F24H3/0411
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1644595A
Cited
US1754232A
Cited
US2007102A
Cited
US1982139A
Cited
US1926537A
Cited
US2405783A
Cited
US2379705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |