US3460532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulmonary therapy respirator
Assignee: Individual
•
Filing: 1965-08-06
•
Granted: 1969-08-12
•
Expires: 1985-08-06
Abstract
No abstract record available.
Inventors
- 👤 Forrest M Bird
- 👤 Henry L Pohndorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:55
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/0057; A61M16/0063; A61M16/021; A61M16/08; A61M16/0816; A61M16/0833; A61M16/10; A61M16/105; A61M16/106; A61M16/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2063043A
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US2408136A
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US2547458A
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US2831607A
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US2881757A
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US3083707A
Cited
US3068856A
Cited
US3267935A
Cited
US3221733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |