US2213057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination syringe, hot and cold pack appliance
Assignee: Walgreen Co
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Filing: 1937-11-20
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Granted: 1940-08-27
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Expires: 1957-11-20
Abstract
No abstract record available.
Inventors
- 👤 Carl J Sponsel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:23
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/08; A61F2007/0059; A61F2007/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-08-27 | 1944-02-26 | 1944-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-27 | 1948-02-26 | 1948-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-27 | 1952-02-26 | 1952-08-27 | $7700.00 | Window Closed / Lapsed |