US3086515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Respiration testing apparatus
Assignee: Individual
•
Filing: 1961-02-20
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Granted: 1963-04-23
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Expires: 1981-02-20
Abstract
No abstract record available.
Inventors
- 👤 William C Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:27
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/08; A61B5/091; A61B5/093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A RESPIRATION TESTING DEVICE, A HORIZONTAL BELLOWS HAVING A MOVABLE END PLATE AND A STATIONARY END PLATE, A BREATHING TUBE COMMUNICATING WITH SAID BELLOWS, SUPPORT MEANS SUPPORTING SAID MOVABLE END PLATE FOR HORIZONTAL MOVEMENT ON OPPOSITE SIDES OF AN INTERMEDIATE POSITION IN WHICH SAID BELLOWS IS IN A NEUTRAL STATE, RECORDING MEANS CONNECTED TO SAID MOVABLE END PLATE FOR RECORDING THE MOVEMENT THEREOF AS AIR IS DRAWN INTO AND REMOVED FROM SAID BELLOWS THROUGH SAID BREATHING TUBE, AND SPRING MEANS ASSOCIATED WITH SAID MOVABLE END PLATE FOR COUNTERACTING THE RESISTANCE OF SAID BELLOWS TO EXPANSION AND CONTRACTION.
Claim 2
Dependent Claim
98 words
IN A RESPIRATION TESTING DEVICE, A HORIZONTAL BELLOWS HAVING A MOVABLE END PLATE AND A STATIONARY END PLATE, A BREATHING TUBE COMMUNICATING WITH SAID BELLOWS, SUPPORT MEANS SUPPORTING SAID MOVABLE END PLATE FOR HORIZONTAL MOVEMENT ON OPPOSITE SIDES OF AN INTERMEDIATE POSITION IN WHICH SAID BELLOWS IS IN A NEUTRAL STATE, RECORDING MEANS CONNECTED TO SAID MOVABLE END PLATE FOR RECORDING THE MOVEMENT THEREOF AS AIR IS DRAWN INTO AND REMOVED FROM SAID BELLOWS THROUGH SAID BREATHING TUBE, AND SPRING MEANS ASSOCIATED WITH SAID MOVABLE END PLATE FOR COUNTERACTING THE RESISTANCE OF SAID BELLOWS TO EXPANSION AND CONTRACTION.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |