US2677370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic inhaler
Assignee: Wyeth LLC
•
Filing: 1953-05-11
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Granted: 1954-05-04
•
Expires: 1973-05-11
Abstract
No abstract record available.
Inventors
- 👤 George W Newton
- 👤 Charles R Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:14
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/10; A61M16/14; A61M16/18; A61M15/00; A61M15/0001; A61M15/0013; A61M15/0016; A61M15/0018; A61M15/002; A61M15/0065; A61M15/0066; A61M16/12; A61M16/122; A61M16/125; A61M15/0021; A61M16/06; A61M2209/00; A61M2209/08; A61M2209/088
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) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |