US3098314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Book support
Assignee: Individual
•
Filing: 1962-02-06
•
Granted: 1963-07-23
•
Expires: 1982-02-06
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 10:52
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)
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 |