Patent US837035A successfully refreshed from Google Patents.
US837035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning device for fittings.
Assignee: Individual
•
Filing: 1905-09-30
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Granted: 1906-11-27
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Expires: 1925-09-30
Abstract
No abstract record available.
Inventors
- 👤 Robert Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:03
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/02; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/4336; Y10T137/4351
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) | 1909-11-26 | 1910-05-28 | 1910-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-11-26 | 1914-05-28 | 1914-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-11-26 | 1918-05-28 | 1918-11-27 | $7700.00 | Window Closed / Lapsed |