US3308648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas measuring method and apparatus
Assignee: Allied Healthcare Products Inc
•
Filing: 1963-09-12
•
Granted: 1967-03-14
•
Expires: 1983-09-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Moulton
- 👤 Philip F Grieger
- 👤 Theodore L Treitler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:21
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/08; A61B5/087; A61B5/083; A61B5/0836
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
APPARATUS FOR MEASURING A GASEOUS CONSTITUENT OF A GAS STREAM, COMPRISING MEANS FOR DROPPING A LIQUID INTO SAID GAS STREAM HAVING THE CAPABILITY OF UNDERGOING A MEASURABLE CHANGE IN ITS CHARACTERISTICS IN RESPONSE TO CONTACT WITH SAID GASEOUS CONSTITUENT, A HOLDER IN SAID STREAM FOR CATCHING SAID DROPS, SAID HOLDER COMPRISING A PAIR OF SPACED ELEMENTS CAPABLE OF CATCHING RESPECTIVE DROPS OF SAID LIQUID AND HOLDING EACH DROP BY SURFACE TENSION WITH EACH HELD DROP BEING DISPLACED BY A NEW DROP AS THE LATTER FALLS THEREON, AND MEANS FOR MEASURING EACH DROP FOR SAID CHANGE IN ITS CHARACTERISTIC WHILE THE DROP IS RETAINED BY SAID HOLDER.
Claim 2
Dependent Claim
106 words
APPARATUS FOR MEASURING A GASEOUS CONSTITUENT OF A GAS STREAM, COMPRISING MEANS FOR DROPPING A LIQUID INTO SAID GAS STREAM HAVING THE CAPABILITY OF UNDERGOING A MEASURABLE CHANGE IN ITS CHARACTERISTICS IN RESPONSE TO CONTACT WITH SAID GASEOUS CONSTITUENT, A HOLDER IN SAID STREAM FOR CATCHING SAID DROPS, SAID HOLDER COMPRISING A PAIR OF SPACED ELEMENTS CAPABLE OF CATCHING RESPECTIVE DROPS OF SAID LIQUID AND HOLDING EACH DROP BY SURFACE TENSION WITH EACH HELD DROP BEING DISPLACED BY A NEW DROP AS THE LATTER FALLS THEREON, AND MEANS FOR MEASURING EACH DROP FOR SAID CHANGE IN ITS CHARACTERISTIC WHILE THE DROP IS RETAINED BY SAID HOLDER.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |