US816670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for tanning leather.
Assignee: Individual
•
Filing: 1904-10-29
•
Granted: 1906-04-03
•
Expires: 1924-10-29
Abstract
No abstract record available.
Inventors
- 👤 Henri De Marneffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:31
CPC Classifications
C; C14; C14B; C14B1/00; C14C; C14C15/00
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) | 1909-04-02 | 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 |