US3270548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calibrating system for proportioning syringe
Assignee: Individual
•
Filing: 1964-07-20
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Granted: 1966-09-06
•
Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Jacob P Marbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:15
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD OF CALIBRATING A PROPORTIONING SYRINGE HAVING A PLUNGER AND A SETTING ROD THEREON FROM A MASTER SYRINGE COMPRISING PLACING A PREDETERMINED PRECISE AMOUNT OF LIQUID IN SAID MASTER SYRINGE, PASSING SAID PRECISE AMOUNT OF LIQUID TO SAID PROPORTIONING SYRINGE AND DISPLACING THE PLUNGER THEREOF BY A CORRESPONDING AMOUNT, TEMPORARILY SECURING SAID PLUNGER TO SAID SETTING ROD AT A LOCATION WHEREIN SAID SETTING ROD IS IN SETTING ENGAGEMENT WITH SAID PROPORTIONING SYRINGE, THEN
Claim 2
Independent Claim
74 words
A METHOD OF CALIBRATING A PROPORTIONING SYRINGE HAVING A PLUNGER AND A SETTING ROD THEREON FROM A MASTER SYRINGE COMPRISING PLACING A PREDETERMINED PRECISE AMOUNT OF LIQUID IN SAID MASTER SYRINGE, PASSING SAID PRECISE AMOUNT OF LIQUID TO SAID PROPORTIONING SYRINGE AND DISPLACING THE PLUNGER THEREOF BY A CORRESPONDING AMOUNT, TEMPORARILY SECURING SAID PLUNGER TO SAID SETTING ROD AT A LOCATION WHEREIN SAID SETTING ROD IS IN SETTING ENGAGEMENT WITH SAID PROPORTIONING SYRINGE, THEN
References Cited (Backward Citations)
US2607343A
Cited
US3146620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |