US2762272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making valve bags
Assignee: KRAFT BAG Corp
•
Filing: 1953-04-13
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Granted: 1956-09-11
•
Expires: 1973-04-13
Abstract
No abstract record available.
Inventors
- 👤 Taylor James
- 👤 Joseph A Bauknecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:19
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/84; B31B70/85; B31B2155/00; B31B2160/00; B31B2160/10; B31B2170/00; B31B2170/20; Y; Y10; Y10S; Y10S493/00; Y10S493/916; Y10S493/927; Y10S493/929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US974704A
Cited
US1977647A
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US2010442A
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US2013672A
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US2028145A
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US2260225A
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US2581801A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |