US2756706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making bag closure
Assignee: ST Regis Paper Co
•
Filing: 1950-11-14
•
Granted: 1956-07-31
•
Expires: 1970-11-14
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:50
CPC Classifications
D; D05; D05B; D05B13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1449467A
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US2242857A
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US2409621A
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US2406791A
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US2403756A
Cited
US2418169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |