Lifting device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Mar 27, 1990
Issued Date -
N/A
app pub date -
Nov 30, 1987
filing date -
Jan 20, 1984
priority date (Note) -
Expired
status (Latency Note)
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Importance

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Abstract
A lifter for emptying a container into a cavity of a vehicle. The lifter has a first plate pivotally connected to the vehicle, and a second plate extending at an angle from the first plate. The lifter has a third plate slidably mounted on the second plate, with the third plate having a pair of hooks to grasp bars on the container. The lifter moves between a first lower position beneath the truck to a second upper position with the container located above the cavity to empty the container into the cavity.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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PERKINS MANUFACTURING COMPANY | LA GRANGE IL |
International Classification(s)

- 1987 Application Filing Year
- B65F Class
- 18 Applications Filed
- 2 Patents Issued To-Date
- 11.12 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Redding, John W | Roselle, IL | 6 | 124 |
# of filed Patents : 6 Total Citations : 124 | |||
Zelinka, Robert F | Roselle, IL | 5 | 108 |
# of filed Patents : 5 Total Citations : 108 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 21 Citation Count
- B65F Class
- 0 % this patent is cited more than
- 35 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
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Jul 04, 2023 | I | Issuance | |
Oct 15, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: ENTITY STATUS SET TO MICRO (ORIGINAL EVENT CODE: MICR); ENTITY STATUS OF PATENT OWNER: MICROENTITY |
Oct 14, 2021 | F | Filing | |
Oct 14, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: MICROENTITY |

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