US2418263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve controlled rotary hopper bag filling machine and method
Assignee: Individual
•
Filing: 1943-12-07
•
Granted: 1947-04-01
•
Expires: 1963-12-07
Abstract
No abstract record available.
Inventors
- 👤 George L Hurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:05
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/42; B65B43/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1686404A
Cited
US619834A
Cited
US669411A
Cited
US659024A
Cited
US767590A
Cited
US1125802A
Cited
US1549141A
Cited
US1587990A
Cited
US1979492A
Cited
US1919370A
Cited
US2015071A
Cited
US2097449A
Cited
US2054279A
Cited
US2191241A
Cited
US2376304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-31 | 1950-09-30 | 1951-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-31 | 1954-09-30 | 1955-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-31 | 1958-09-30 | 1959-04-01 | $7700.00 | Window Closed / Lapsed |