US2689674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for filling fabric casings with filling materials by means of a helical conveyer and an air blower and a plenum type chamber
Assignee: Individual
•
Filing: 1953-05-15
•
Granted: 1954-09-21
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Expires: 1973-05-15
Abstract
No abstract record available.
Inventors
- 👤 Robert J Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:17
CPC Classifications
B; B68; B68G; B68G7/00; B68G7/06; B65; B65B; B65B37/00; B65B37/14; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1524; Y10T74/18; Y10T74/18048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |