Patent US2798523A successfully refreshed from Google Patents.
US2798523A
Expired / Lapsed
US
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Bags and method of manufacturing same
Assignee: Individual
•
Filing: 1954-10-18
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Granted: 1957-07-09
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Expires: 1974-10-18
Abstract
No abstract record available.
Inventors
- 👤 Donald O Barrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:14
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/28; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/1011; Y10T156/1052; Y10T156/1054; Y10T156/1056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA475548A
Cited
US1818030A
Cited
US1920824A
Cited
US2565283A
Cited
US2656769A
Cited
US2777491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |