US955871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boiler-tube cleaner.
Assignee: EUGENE J FEINER
•
Filing: 1909-02-15
•
Granted: 1910-04-26
•
Expires: 1929-02-15
Abstract
No abstract record available.
Inventors
- 👤 Richard W Hamann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:46
CPC Classifications
F; F28; F28G; F28G3/00; F28G3/16; F28G3/166; Y; Y10; Y10S; Y10S122/00; Y10S122/03
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) | 1913-04-25 | 1913-10-25 | 1914-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-04-25 | 1917-10-25 | 1918-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-04-25 | 1921-10-25 | 1922-04-26 | $7700.00 | Window Closed / Lapsed |