Patent US674918A successfully refreshed from Google Patents.
US674918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating-drum or radiator for stovepipes.
Assignee: Individual
•
Filing: 1900-10-12
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Granted: 1901-05-28
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Expires: 1920-10-12
Abstract
No abstract record available.
Inventors
- 👤 Richard G Hebden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:23
CPC Classifications
F; F28; F28G; F28G1/00; F28G1/12
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) | 1904-05-27 | 1904-11-26 | 1905-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-05-27 | 1908-11-26 | 1909-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-05-27 | 1912-11-26 | 1913-05-28 | $7700.00 | Window Closed / Lapsed |