Patent US3138157A successfully refreshed from Google Patents.
US3138157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inoculant injector instrument
Assignee: Z AND W Manufacturing CORP
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Filing: 1961-05-12
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Granted: 1964-06-23
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Expires: 1981-05-12
Abstract
No abstract record available.
Inventors
- 👤 Frank A Ziherl
- 👤 Arthur S Kish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:36
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN AN INSTRUMENT OF THE CHARACTER DESCRIBED, AN INSTRUMENT BODY HAVING AN AXIAL BORE, A HOLLOW PISTON SLIDABLE IN SAID BORE, A FLUID CONTAINER REMOVABLY SECURED IN SAID BORE ADJACENT THE FORWARD END OF SAID BORE, A PLUNGER CAP SLIDABLE IN SAID CONTAINER, MEANS ON SAID CONTAINER FOR LIMITING RETRACTING MOVEMENT OF SAID CAP IN SAID CONTAINER, AND A PLUNGER ASSEMBLY SLIDABLY REMOVABLE REARWARDLY THROUGH SAID PISTON, SAID ASSEMBLY COMPRISING A PLUNGER AND AN ADAPTER REMOVABLY SECURED TO THE FORWARD END OF SAID PLUNGER, SAID ADAPTER HAVING AN AXIAL BORE, SAID PLUNGER CAP HAVING AN AXIAL EXTENSION SLIDABLY RECEIVED IN THE AXIAL BORE OF SAID ADAPTER.
Claim 2
Dependent Claim
106 words
IN AN INSTRUMENT OF THE CHARACTER DESCRIBED, AN INSTRUMENT BODY HAVING AN AXIAL BORE, A HOLLOW PISTON SLIDABLE IN SAID BORE, A FLUID CONTAINER REMOVABLY SECURED IN SAID BORE ADJACENT THE FORWARD END OF SAID BORE, A PLUNGER CAP SLIDABLE IN SAID CONTAINER, MEANS ON SAID CONTAINER FOR LIMITING RETRACTING MOVEMENT OF SAID CAP IN SAID CONTAINER, AND A PLUNGER ASSEMBLY SLIDABLY REMOVABLE REARWARDLY THROUGH SAID PISTON, SAID ASSEMBLY COMPRISING A PLUNGER AND AN ADAPTER REMOVABLY SECURED TO THE FORWARD END OF SAID PLUNGER, SAID ADAPTER HAVING AN AXIAL BORE, SAID PLUNGER CAP HAVING AN AXIAL EXTENSION SLIDABLY RECEIVED IN THE AXIAL BORE OF SAID ADAPTER.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |