US2922443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for de-aerating bags during filling
Assignee: Individual
•
Filing: 1956-11-05
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Granted: 1960-01-26
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Expires: 1976-11-05
Abstract
No abstract record available.
Inventors
- 👤 Lester M Jones
- 👤 Linda Frank Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:18
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/18; B65B39/00; B65B39/04
Claims Analysis
Total Claims: 0
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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) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |