Patent US2917221A successfully refreshed from Google Patents.
US2917221A
Expired / Lapsed
US
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Multi-purpose container
Assignee: Pillsbury Co
•
Filing: 1957-01-31
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Granted: 1959-12-15
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Expires: 1977-01-31
Abstract
No abstract record available.
Inventors
- 👤 Harold L Risdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:02
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/34; B65D81/343; B65D75/00; B65D75/04; B65D75/14; B65D75/18; B65D75/26; Y; Y10; Y10S; Y10S229/00; Y10S229/902; Y10S229/903; Y10S229/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US888653A
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US1401794A
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US1563907A
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US2151472A
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US2283950A
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US2525268A
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US2445467A
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US2828061A
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US2836340A
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US2868429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |