Patent US838616A successfully refreshed from Google Patents.
US838616A
Expired / Lapsed
US
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Machine for finishing the surfaces of matted or felted material.
Assignee: Individual
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Filing: 1904-11-02
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Granted: 1906-12-18
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Expires: 1924-11-02
Abstract
No abstract record available.
Inventors
- 👤 Gustav Goldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:08
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; D; D21; D21G; D21G1/00
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) | 1909-12-17 | 1910-06-18 | 1910-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-12-17 | 1914-06-18 | 1914-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-12-17 | 1918-06-18 | 1918-12-18 | $7700.00 | Window Closed / Lapsed |