US2774402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilated plastic bag
Assignee: Individual
•
Filing: 1951-12-01
•
Granted: 1956-12-18
•
Expires: 1971-12-01
Abstract
No abstract record available.
Inventors
- 👤 Richard H Wikle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:49
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1663298A
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GB306330A
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US1833631A
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GB394790A
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US1918793A
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US2085365A
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US2225089A
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US2439757A
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US2428266A
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US2523682A
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US2588695A
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US2677585A
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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) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |