US2440339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube of flexible composite sheet material and the manufacture thereof
Assignee: Individual
•
Filing: 1942-11-24
•
Granted: 1948-04-27
•
Expires: 1962-11-24
Abstract
No abstract record available.
Inventors
- 👤 Langer Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:06
CPC Classifications
B; B65; B65D; B65D35/00; B65D35/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1322426A
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US666443A
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AT128055B
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US2175130A
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US2297375A
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US2252854A
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US2268462A
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US2269661A
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US2176109A
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US2241943A
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US2249392A
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US2274258A
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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) | 1951-04-27 | 1951-10-27 | 1952-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-27 | 1955-10-27 | 1956-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-27 | 1959-10-27 | 1960-04-27 | $7700.00 | Window Closed / Lapsed |