Patent US1285144A successfully refreshed from Google Patents.
US1285144A
Expired / Lapsed
US
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Process for tanning or impregnating hides.
Assignee: CORPORATION OF ANHYDAT-LEDER-WERKE AG
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Filing: 1916-02-16
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Granted: 1918-11-19
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Expires: 1936-02-16
Abstract
No abstract record available.
Inventors
- 👤 Kurt Haring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:09
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/10; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/32; D21H23/42
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) | 1921-11-18 | 1922-05-20 | 1922-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-11-18 | 1926-05-20 | 1926-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-11-18 | 1930-05-20 | 1930-11-19 | $7700.00 | Window Closed / Lapsed |