US2609734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for valving bag blanks
Assignee: MACH AUTOMATIQUES SA
•
Filing: 1947-09-16
•
Granted: 1952-09-09
•
Expires: 1967-09-16
Abstract
No abstract record available.
Inventors
- 👤 Bardet Gerard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:02
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/02; B31B70/022; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/106; B31B2170/00; B31B2170/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US744947A
Cited
US928885A
Cited
US1834189A
Cited
US1916293A
Cited
US1894726A
Cited
US1953432A
Cited
US2107043A
Cited
US1879990A
Cited
US2387274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |