US2729212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drip meter
Assignee: Bayer Corp
•
Filing: 1951-10-06
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Granted: 1956-01-03
•
Expires: 1971-10-06
Abstract
No abstract record available.
Inventors
- 👤 William F Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:58
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/1411; A61M5/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A DRIP METER FOR INTRAVENOUS SOLUTION SETS COMPRISING: A TRANSPARENT TUBULAR DRIP METER SHELL PROVIDED AT ITS LOWER END WITH AN OUTLET PASSAGEWAY AND AT ITS UPPER END WITH AN INLET NIPPLE ARRANGED TO BE CONNECTED WITH A SUITABLE SOURCE OF TRANSFUSION FLUID; AN UPSTANDING NIPPLE MOUNTED WITHIN SAID SHELL WITH ITS LOWER END IN COMMUNICATION WITH SAID OUTLET PASSAGEWAY; A BONNET MOUNTED OVER SAID UPSTANDING NIPPLE, ONE PAIR OPPOSED SIDE
Claim 2
Dependent Claim
71 words
A DRIP METER FOR INTRAVENOUS SOLUTION SETS COMPRISING: A TRANSPARENT TUBULAR DRIP METER SHELL PROVIDED AT ITS LOWER END WITH AN OUTLET PASSAGEWAY AND AT ITS UPPER END WITH AN INLET NIPPLE ARRANGED TO BE CONNECTED WITH A SUITABLE SOURCE OF TRANSFUSION FLUID; AN UPSTANDING NIPPLE MOUNTED WITHIN SAID SHELL WITH ITS LOWER END IN COMMUNICATION WITH SAID OUTLET PASSAGEWAY; A BONNET MOUNTED OVER SAID UPSTANDING NIPPLE, ONE PAIR OPPOSED SIDE
References Cited (Backward Citations)
US1834381A
Cited
US2146256A
Cited
US2210480A
Cited
US2388432A
Cited
US2575574A
Cited
US2592848A
Cited
US2675000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |