Patent US891871A successfully refreshed from Google Patents.
US891871A
Expired / Lapsed
US
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Scraper.
Assignee: Individual
•
Filing: 1907-08-17
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Granted: 1908-06-30
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Expires: 1927-08-17
Abstract
No abstract record available.
Inventors
- 👤 Clara E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:27
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/02; A47L13/08
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) | 1911-06-30 | 1911-12-30 | 1912-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-06-30 | 1915-12-30 | 1916-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-06-30 | 1919-12-30 | 1920-06-30 | $7700.00 | Window Closed / Lapsed |