Patent US3377989A successfully refreshed from Google Patents.
US3377989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic egg inoculating unit
Assignee: Wyeth Holdings LLC
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Filing: 1966-08-08
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Granted: 1968-04-16
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Expires: 1986-08-08
Abstract
No abstract record available.
Inventors
- 👤 Sandhage Elsworth Roland
- 👤 Hammar Allan Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:33
CPC Classifications
C; C12; C12M; C12M21/00; C12M21/10; A; A01; A01K; A01K45/00; A01K45/007; C12M33/00; C12M33/04; C12M33/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
AN APPARATUS FOR INOCULATION OF EMBRYONATED EGGS, COMPRISING IN COMBINATION, (A) EGG HOLDING MEANS CAPABLE OF HOLDING EGGS IN ALIGNED ROWS, (B) A ROW OF HYPODERMIC NEEDLES ALIGNED WITH THE ROW OF EGGS, (C) EACH HYPODERMIC NEEDLE BEING SURROUNDED BY A NEEDLE PROTECTING MEMBER HAVING A CHANNEL THROUGH WHICH THE NEEDLE PASSES OF SUFFICIENTLY CLOSE CROSS SECTIONAL MATCH TO THE CROSS SECTION OF THE NEEDLE SO THAT THE LATTER CAN MOVE FREELY BUT CANNOT BEND, (D) MEANS FOR PRODUCING RELATIVE MOVEMENT BETWEEN THE EGGS AND THE NEEDLES WHEREBY WHEN THE NEEDLES AND EGGS ARE BROUGHT TOGETHER THE NEEDLE PROTECTING MEMBERS SLIDE UP THE NEEDLES, PERMITTING THEM TO PUNCTURE THE SHELLS OF THE EGGS, (E) MEANS ADJACENT THE NEEDLE PROTECTING MEMBER FOR MAINTAINING CONSTANT TRAVEL LENGTH OF THE NEEDLES INTO THE EGGS WHEREBY INJURY TO EGG EMBRYOS IS REDUCED, (F) MEANS CONNECTED TO THE NEEDLE FOR PUMPING A PREDETERMINED VOLUME OF INOCULUM THROUGH EACH NEEDLE WHEN IT HAS PUNCTURED THE EGGSHELL AND PENETRATED TO A FIXED DEPTH, AND (G) MEANS FOR RETURNING THE NEEDLE PROTECTING MEMBERS TO THEIR ORIGINAL POSITION.
Claim 2
Independent Claim
179 words
AN APPARATUS FOR INOCULATION OF EMBRYONATED EGGS, COMPRISING IN COMBINATION, (A) EGG HOLDING MEANS CAPABLE OF HOLDING EGGS IN ALIGNED ROWS, (B) A ROW OF HYPODERMIC NEEDLES ALIGNED WITH THE ROW OF EGGS, (C) EACH HYPODERMIC NEEDLE BEING SURROUNDED BY A NEEDLE PROTECTING MEMBER HAVING A CHANNEL THROUGH WHICH THE NEEDLE PASSES OF SUFFICIENTLY CLOSE CROSS SECTIONAL MATCH TO THE CROSS SECTION OF THE NEEDLE SO THAT THE LATTER CAN MOVE FREELY BUT CANNOT BEND, (D) MEANS FOR PRODUCING RELATIVE MOVEMENT BETWEEN THE EGGS AND THE NEEDLES WHEREBY WHEN THE NEEDLES AND EGGS ARE BROUGHT TOGETHER THE NEEDLE PROTECTING MEMBERS SLIDE UP THE NEEDLES, PERMITTING THEM TO PUNCTURE THE SHELLS OF THE EGGS, (E) MEANS ADJACENT THE NEEDLE PROTECTING MEMBER FOR MAINTAINING CONSTANT TRAVEL LENGTH OF THE NEEDLES INTO THE EGGS WHEREBY INJURY TO EGG EMBRYOS IS REDUCED, (F) MEANS CONNECTED TO THE NEEDLE FOR PUMPING A PREDETERMINED VOLUME OF INOCULUM THROUGH EACH NEEDLE WHEN IT HAS PUNCTURED THE EGGSHELL AND PENETRATED TO A FIXED DEPTH, AND (G) MEANS FOR RETURNING THE NEEDLE PROTECTING MEMBERS TO THEIR ORIGINAL POSITION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |