US698193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boiler-tube cleaner.
Assignee: UNION BOILER TUBE CLEANER Co
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Filing: 1899-01-17
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Granted: 1902-04-22
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Expires: 1919-01-17
Abstract
No abstract record available.
Inventors
- 👤 Wilber D Forsyth
- 👤 Enos T Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:01
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/043; B08B9/045
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) | 1905-04-21 | 1905-10-21 | 1906-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-04-21 | 1909-10-21 | 1910-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-04-21 | 1913-10-21 | 1914-04-22 | $7700.00 | Window Closed / Lapsed |