Patent US2552322A successfully refreshed from Google Patents.
US2552322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal wringing and setting process for leather
Assignee: Howes Leather Co Inc
•
Filing: 1948-06-19
•
Granted: 1951-05-08
•
Expires: 1968-06-19
Abstract
No abstract record available.
Inventors
- 👤 Jennings George Hollis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:55
CPC Classifications
C; C14; C14B; C14B1/00; C14B1/26; C14B1/44; C14B2700/00; C14B2700/07; C14B2700/14; C14B2700/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |