Patent US2169714A successfully refreshed from Google Patents.
US1148331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace for heating gases or the like.
Assignee: Individual
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Filing: 1914-05-18
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Granted: 1915-07-27
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Expires: 1934-05-18
Abstract
No abstract record available.
Inventors
- 👤 Carl Martin Tage Olsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:34
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1836; F; F28; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1918-07-26 | 1919-01-25 | 1919-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-07-26 | 1923-01-25 | 1923-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-07-26 | 1927-01-25 | 1927-07-27 | $7700.00 | Window Closed / Lapsed |