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Patent US3507277A successfully refreshed from Google Patents.
US3507277A
Expired / Lapsed
US
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Inhalation device
Assignee: Fisons Pharmaceuticals Ltd
•
Filing: 1967-09-15
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Granted: 1970-04-21
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Expires: 1987-09-15
Abstract
No abstract record available.
Inventors
- 👤 Roger Edward Colling Altounyan
- 👤 Harry Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:55
CPC Classifications
A; A61; A61M; A61M15/00; A61M15/0028; A61M15/003; A61M15/0033; A61M2202/00; A61M2202/06; A61M2202/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2517482A
Cited
US2573918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |