Patent US3401686A successfully refreshed from Google Patents.
US3401686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-operable respiratory aid
Assignee: EVAN H EDWARDS
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Filing: 1966-03-28
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Granted: 1968-09-17
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Expires: 1986-03-28
Abstract
No abstract record available.
Inventors
- 👤 Evan H Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:17
CPC Classifications
A; A61; A61H; A61H31/00; A61H31/004; A61H31/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A RECIPROCATORY AID, OPERABLE BY A USER UPON HIMSELF, COMPRISING A LEVER; A PRESSURE PAD FIXED TO SAID LEVER INTERMEDIATE THE LENGTH OF SAID LEVER FOR EXERTING PRESSURE ON THE LOWER LUNG REGION OF SAID USER; AND AN ANCHOR MEANS PROVIDING A FULCRUM ENGAGEABLE BY ONE END OF SAID LEVER AND ANCHORABLE TO A LOWER PORTION OF THE USER''S BODY SO THAT THE LEVER IS DISPOSED CENTRALLY AND SUBSTANTIALLY LONGITUDINALLY RELATIVE TO SAID USER''S BODY.
Claim 2
Dependent Claim
75 words
A RECIPROCATORY AID, OPERABLE BY A USER UPON HIMSELF, COMPRISING A LEVER; A PRESSURE PAD FIXED TO SAID LEVER INTERMEDIATE THE LENGTH OF SAID LEVER FOR EXERTING PRESSURE ON THE LOWER LUNG REGION OF SAID USER; AND AN ANCHOR MEANS PROVIDING A FULCRUM ENGAGEABLE BY ONE END OF SAID LEVER AND ANCHORABLE TO A LOWER PORTION OF THE USER''S BODY SO THAT THE LEVER IS DISPOSED CENTRALLY AND SUBSTANTIALLY LONGITUDINALLY RELATIVE TO SAID USER''S BODY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |