Modular support for staircase steps
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 17, 1989
Grant Date -
N/A
app pub date -
May 14, 1987
filing date -
Oct 16, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The modular support for staircase steps comprises a substantially vertical box-like body upwardly defining a horizontal base plane for a related step, a male cylindrical element and a complementarily shaped female cylindrical element extending vertically at two different levels at the opposite longitudinal ends of said box-like body and adapted to be coupled in an angularly adjustable position to corresponding cylindrical elements of adjacent supports, said male cylindrical element being less extended vertically with respect to said female cylindrical element so as to allow an adjustment of the mutual axial position by means of the insertion of suitable spacer means, substantially axial means along finally provided for the locking of said coupled cylindrical elements.
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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ALBINI & FONTANOT S P A A CORPORATION OF ITALY | VIA MENTANA 19 47037 RIMINI (PROVINCE OF FORLI) |
International Classification(s)

- 1987 Application Filing Year
- E04F Class
- 71 Applications Filed
- 0 Patents Issued To-Date
- 0 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Molinazzi, Roberto | Bologna, IT | 3 | 14 |
# of filed Patents : 3 Total Citations : 14 |
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Patent Citation Ranking
- 7 Citation Count
- E04F Class
- 0 % this patent is cited more than
- 36 Age
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- 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 |
---|---|---|---|
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 |
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