Patent US5015237A successfully refreshed from Google Patents.
US5015237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic powered animal injector
Assignee: KLEINWOLTERINK HENRY JR
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Filing: 1989-11-13
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Granted: 1991-05-14
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Expires: 2009-11-13
Abstract
Abstract A device for injecting serum or the like into animals while remaining at a distance from the animal. The device uses air pressure from a tank built into the device to eject the serum from a syringe on the tip of the wand. The wand is long enough to provide relative safety for the user.
Inventors
- 👤 Henry Kleinwolterink, Jr.
- 👤 Dixon G. Granstra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:43
CPC Classifications
A; A61; A61D; A61D1/00; A61D1/02; A61D1/025; A61M; A61M2250/00; A61M5/00; A61M5/178; A61M5/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
161 words
A device for vaccinating animals comprising wand means, a supply source of compressed gas attached to one end of said wand means, a pneumatic device having a cylinder and piston assembly attached to said wand means adjacent said supply source; said supply source being connected with said cylinder for transmissions of pneumatic pressure, valve means on said wand means between said supply source and said cylinder, hypodermic injection means attached to the end of said wand means opposite said supply source, said injection means including a piston rod on said piston, striker means on said piston rod, said wand means being formed to provide a slot over a portion of its length, said striker means being slidably journalled in said slot, whereby said pneumatic device operates said injection means, and abutment means adjustably mounted on said wand means adjacent said slot whereby adjustment of said abutment means controls the length of travel of said striker means and therefore of said piston.
Claim 2
Independent Claim
161 words
A device for vaccinating animals comprising wand means, a supply source of compressed gas attached to one end of said wand means, a pneumatic device having a cylinder and piston assembly attached to said wand means adjacent said supply source; said supply source being connected with said cylinder for transmissions of pneumatic pressure, valve means on said wand means between said supply source and said cylinder, hypodermic injection means attached to the end of said wand means opposite said supply source, said injection means including a piston rod on said piston, striker means on said piston rod, said wand means being formed to provide a slot over a portion of its length, said striker means being slidably journalled in said slot, whereby said pneumatic device operates said injection means, and abutment means adjustably mounted on said wand means adjacent said slot whereby adjustment of said abutment means controls the length of travel of said striker means and therefore of said piston.
Claim 3
Dependent Claim
22 words
The device of claim 1 in which said abutment means is threadably engaged with said wand means to provide for its adjustability.
Claim 4
Dependent Claim
27 words
The device of claim 2 in which said wand means carries indicia adjacent said abutment means whereby said abutment means can be set to a predetermined position.
References Cited (Backward Citations)
SU685283A1
Cited
FR2511596A1
Cited
US4790624A
Cited
US4717384A
Cited
US4941880A
Cited
US4861340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-05-13 | 1994-11-12 | 1995-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-05-13 | 1998-11-12 | 1999-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-05-13 | 2002-11-12 | 2003-05-14 | $7700.00 | Window Closed / Lapsed |