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Patent US2493349A successfully refreshed from Google Patents.
US2493349A
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US
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Bag with extensile sealed liner and method for making same
Assignee: ST Regis Paper Co
•
Filing: 1946-11-30
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Granted: 1950-01-03
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Expires: 1966-11-30
Abstract
No abstract record available.
Inventors
- 👤 Edgar B Hoppe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:14
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US565587A
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US2330015A
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US2312280A
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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) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |