US2661946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and machine for interleaving and stacking sheets of paper and similar materials
Assignee: D'ETUDES DE MACHINES SPECIALES Sarl Ste
•
Filing: 1950-12-15
•
Granted: 1953-12-08
•
Expires: 1970-12-15
Abstract
No abstract record available.
Inventors
- 👤 Chambon Louis Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:37
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/12; B65H45/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1348846A
Cited
US1358665A
Cited
US1399098A
Cited
US1502333A
Cited
AT154030B
Cited
US2344022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |