Patent US2527295A successfully refreshed from Google Patents.
US2527295A
Expired / Lapsed
US
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Apparatus for manufacturing valve bags
Assignee: Bemis Brothers Bag Co
•
Filing: 1947-06-25
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Granted: 1950-10-24
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Expires: 1967-06-25
Abstract
No abstract record available.
Inventors
- 👤 Belcher Daniel
- 👤 Russell J Williams
- 👤 James E Voege
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:19
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/84; B31B70/85; B31B2160/00; B31B2160/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1780720A
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US2010994A
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US2125308A
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US2102767A
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US2250699A
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US2260191A
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US2277289A
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US2415862A
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US2387274A
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US2442431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |