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US2649923A
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Humidifier package with stitchedin suspension means and method for making same
Assignee: Davison Chemical Corp
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Filing: 1951-01-04
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Granted: 1953-08-25
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Expires: 1971-01-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph G Woppman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:40
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/14; B31; B31B; B31B70/00; B31B70/74; B31B70/86; B31B70/864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1861864A
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US2210862A
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US2277050A
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US2426057A
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US2578324A
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US2431888A
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US2554879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |