Patent US2704238A successfully refreshed from Google Patents.
US2704238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making hollow leather articles
Assignee: Secotan Inc
•
Filing: 1951-06-27
•
Granted: 1955-03-15
•
Expires: 1971-06-27
Abstract
No abstract record available.
Inventors
- 👤 Alexis E Ushakoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:54
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/0054; B29D35/0063; B29D35/0072; A; A43; A43D; A43D8/00; A43D8/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190202247A
Cited
US1592722A
Cited
US2017453A
Cited
US2123552A
Cited
GB565065A
Cited
US2582298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |