US2690069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the continuous and accelerated predrying of tanned leather
Assignee: Individual
•
Filing: 1951-11-14
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Granted: 1954-09-28
•
Expires: 1971-11-14
Abstract
No abstract record available.
Inventors
- 👤 Kahn Julio
- 👤 Pier Mauricio
- 👤 Emilio N Mackinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:14
CPC Classifications
C; C14; C14B; C14B1/00; C14B1/26; C14B1/58; C14B2700/00; C14B2700/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |