US3049113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fireplace
Assignee: SADIE MIRIAM NORTHWOOD
•
Filing: 1960-04-18
•
Granted: 1962-08-14
•
Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 John V Northwood
- 👤 John W Rosher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:17
CPC Classifications
F; F24; F24B; F24B1/00; F24B1/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2704537A
Cited
US571111A
Cited
US606667A
Cited
US611179A
Cited
US266427A
Cited
US820173A
Cited
US926226A
Cited
GB191000372A
Cited
US1527849A
Cited
DE573356C
Cited
US2707464A
Cited
US2713301A
Cited
US2804066A
Cited
US2821975A
Cited
US2796858A
Cited
US2924212A
Cited
US2915960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |