US2832332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination fireplace and furnace
Assignee: Individual
•
Filing: 1953-12-22
•
Granted: 1958-04-29
•
Expires: 1973-12-22
Abstract
No abstract record available.
Inventors
- 👤 Hugo C Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:02
CPC Classifications
F; F24; F24B; F24B1/00; F24B1/18; F24B1/185; F24B1/188; F24B1/1885; F24B1/1886
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US12491A
Cited
US394653A
Cited
US557231A
Cited
US1714955A
Cited
US1287815A
Cited
US1725484A
Cited
US2052643A
Cited
US2181624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |