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Book support

Assignee: Individual
•
Filing: 1962-02-06
•
Granted: 1963-07-23
•
Expires: 1982-02-06
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Abstract

No abstract record available.

Inventors

  • 👤 Stanislaw D Degorski
  • 👤 Vincent T Borka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 12:48
CPC Classifications
A; A47; A47B; A47B23/00; A47B23/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 118 words
A SUPPORT FOR A BOOK IN WHICH PORTIONS OF THE BOOK PAGES MAY BE TURNED WHILE OTHER PORTIONS OF THE PAGES ARE SECURELY CLAMPED COMPRISING A SUPPORT STRUCTURE FOR RECEIVING A BOOK IN OPEN POSITION; A FIRST RELATIVELY STRONG SPRING MECHANISM TO SECURELY CLAMP FIRST PORTIONS OF THE BOOK PAGES OF EACH SIDE OF THE BOOK TO THE SUPPORT STRUCTURE; AND A SECOND RELATIVELY WEAK SPRING MECHANISM TO RELEASABLY CLAMP A SECOND PORTION OF THE BOOK PAGES TO ONE SIDE OF A BOOK FOR SUBSEQUENT TURNING; SAID SECOND SPRING MECHANSIM BEING SECURED TO SAID FIRST SPRING MECHANISM AND COMPRISING A FLAT SPRING ELEMENT HAVING A SPIRALLY COILED PORTION WITH A FREE END BEARING TOWARDS THE BOOK SUPPORT STRUCTURE.
Claim 2
Dependent Claim 118 words
A SUPPORT FOR A BOOK IN WHICH PORTIONS OF THE BOOK PAGES MAY BE TURNED WHILE OTHER PORTIONS OF THE PAGES ARE SECURELY CLAMPED COMPRISING A SUPPORT STRUCTURE FOR RECEIVING A BOOK IN OPEN POSITION; A FIRST RELATIVELY STRONG SPRING MECHANISM TO SECURELY CLAMP FIRST PORTIONS OF THE BOOK PAGES OF EACH SIDE OF THE BOOK TO THE SUPPORT STRUCTURE; AND A SECOND RELATIVELY WEAK SPRING MECHANISM TO RELEASABLY CLAMP A SECOND PORTION OF THE BOOK PAGES TO ONE SIDE OF A BOOK FOR SUBSEQUENT TURNING; SAID SECOND SPRING MECHANSIM BEING SECURED TO SAID FIRST SPRING MECHANISM AND COMPRISING A FLAT SPRING ELEMENT HAVING A SPIRALLY COILED PORTION WITH A FREE END BEARING TOWARDS THE BOOK SUPPORT STRUCTURE.

References Cited (Backward Citations)

US1285932A Cited
US2136701A Cited
US2480233A Cited
US2610434A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-07-22 1967-01-21 1967-07-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-07-22 1971-01-21 1971-07-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-07-22 1975-01-21 1975-07-23 $7700.00 Window Closed / Lapsed

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