Patent US5446286A successfully refreshed from Google Patents.
US816735A
Expired / Lapsed
US
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Apparatus for separating rubber from canvas, metal, and other material.
Assignee: Individual
•
Filing: 1904-12-28
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Granted: 1906-04-03
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Expires: 1924-12-28
Abstract
No abstract record available.
Inventors
- 👤 Hermann Penther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:36
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/14; B02C18/148; Y; Y10; Y10S; Y10S241/00; Y10S241/31
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) | 1909-04-02 | 1909-10-02 | 1910-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-04-02 | 1913-10-02 | 1914-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-04-02 | 1917-10-02 | 1918-04-03 | $7700.00 | Window Closed / Lapsed |