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Patent US2887292A successfully refreshed from Google Patents.
US2887292A
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Valve bag packing apparatus
Assignee: ST Regis Paper Co
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Filing: 1956-04-25
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Granted: 1959-05-19
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Expires: 1976-04-25
Abstract
No abstract record available.
Inventors
- 👤 Oliver R Titchenal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:27
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1419627A
Cited
US2009408A
Cited
US1957875A
Cited
US2328165A
Cited
US2770439A
Cited
US2799465A
Cited
US2817488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |