US2729150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-ply bags and methods for making same
Assignee: St Regis Bates S A
•
Filing: 1952-04-15
•
Granted: 1956-01-03
•
Expires: 1972-04-15
Abstract
No abstract record available.
Inventors
- 👤 Gelbcke Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:38
CPC Classifications
B; B65; B65D; B65D31/00; B65D31/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US529656A
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US2013086A
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US2038544A
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US2176499A
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US2537462A
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US2460885A
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US2460886A
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US2488038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |