US2624539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for filling valve bags and control means therefor
Assignee: ST Regis Paper Co
•
Filing: 1948-03-06
•
Granted: 1953-01-06
•
Expires: 1968-03-06
Abstract
No abstract record available.
Inventors
- 👤 Carl H Hartman
- 👤 William R Peterson
- 👤 Donald D Griswold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:16
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US619834A
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US992148A
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US947096A
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US1953646A
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US1926802A
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US2022867A
Cited
US2051565A
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US2100874A
Cited
US2418263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |