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Patent US2447014A successfully refreshed from Google Patents.
US2447014A
Expired / Lapsed
US
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Manufacture of essence containing packages for brewing beverages
Assignee: National Urn Bag Co Inc
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Filing: 1940-11-25
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Granted: 1948-08-17
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Expires: 1960-11-25
Abstract
No abstract record available.
Inventors
- 👤 Hans O Irmscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:28
CPC Classifications
B; B65; B65B; B65B29/00; B65B29/02; B65B29/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1780142A
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US1899207A
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US1975253A
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US2037110A
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US2137243A
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US2103339A
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US2138358A
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US2146308A
Cited
US2213602A
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US2192605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |