Patent US2468383A successfully refreshed from Google Patents.
US2468383A
Expired / Lapsed
US
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Nasal and sinus protector and warmer
Assignee: Individual
•
Filing: 1948-02-13
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Granted: 1949-04-26
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Expires: 1968-02-13
Abstract
No abstract record available.
Inventors
- 👤 William E Tiffany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:37
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/02; A61M; A61M16/00; A61M16/10; A61M16/105; A61M16/106; A61M16/107; A61M16/1075; A61F2007/0001; A61F2007/0002; A61F2007/0006; A61F2007/0059; A61F2007/006; A61F2007/0061; A61M16/1045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US781516A
Cited
US1210939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |