US3158131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bookmark
Assignee: Individual
•
Filing: 1962-12-19
•
Granted: 1964-11-24
•
Expires: 1982-12-19
Abstract
No abstract record available.
Inventors
- 👤 Stephen J Salayka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:55
CPC Classifications
B; B42; B42D; B42D3/00; B42D3/12; B42D3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A BOOKMARK HAVING AN ELONGATED ARM, MEANS ON ONE END OF THE ARM ADAPTED FOR ATTACHMENT TO A COVER OF A BOOK ADJACENT THE BINDING THEREOF WITH THE ARM OVERLYING AND GENERALLY PARALLEL TO ONE EDGE OF THE PAGES OF THE BOOK, AND A TAB ON THE OTHER END OF THE ARM ADAPTED TO LIE BETWEEN TWO CONSECUTIVE PAGES OF THE BOOK, THE TAB EXTENDING TOWARD THE ARM-ATTACHING MEANS AT AN ACUTE ANGLE WITH RESPECT TO THE LENGTH OF THE ARM, THE ARM AND TAB OF THE BOOKMARK BEING MADE OF AN INTEGRAL SHEET OF ELASTIC PLASTIC MATERIAL AND BEING SUFFICIENTLY STIFF TO BE SELF-SUSTAINING WHEN THE BOOKMARK IS HELD SUPPORTED FROM
Claim 2
Dependent Claim
112 words
A BOOKMARK HAVING AN ELONGATED ARM, MEANS ON ONE END OF THE ARM ADAPTED FOR ATTACHMENT TO A COVER OF A BOOK ADJACENT THE BINDING THEREOF WITH THE ARM OVERLYING AND GENERALLY PARALLEL TO ONE EDGE OF THE PAGES OF THE BOOK, AND A TAB ON THE OTHER END OF THE ARM ADAPTED TO LIE BETWEEN TWO CONSECUTIVE PAGES OF THE BOOK, THE TAB EXTENDING TOWARD THE ARM-ATTACHING MEANS AT AN ACUTE ANGLE WITH RESPECT TO THE LENGTH OF THE ARM, THE ARM AND TAB OF THE BOOKMARK BEING MADE OF AN INTEGRAL SHEET OF ELASTIC PLASTIC MATERIAL AND BEING SUFFICIENTLY STIFF TO BE SELF-SUSTAINING WHEN THE BOOKMARK IS HELD SUPPORTED FROM
References Cited (Backward Citations)
GB190211965A
Cited
US2202787A
Cited
US2437074A
Cited
US2543182A
Cited
US2717572A
Cited
US3016036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |