Patent US3350801A successfully refreshed from Google Patents.
US3350801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Book index unit
Assignee: Individual
•
Filing: 1966-06-17
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Granted: 1967-11-07
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Expires: 1986-06-17
Abstract
No abstract record available.
Inventors
- 👤 Berard Edmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:20
CPC Classifications
B; B42; B42F; B42F21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN INDEX UNIT FOR A BOOK WITH A PAGE HAVING OPPOSING FACES AND PROVIDED WITH A TOP EDGE AND AN OUTER MARGINAL EDGE ADJOINING THE TOP EDGE AND FORMING THEREWITH AN UPPER CORNER OF THE PAGE; SAID INDEX UNIT COMPRISING A STRIP FOLDED UPON ITSELF TO PROVIDE OPPOSING SECTIONS, SAID STRIP BEING POSITIONED OVER THE TOP EDGE OF THE PAGE WITH THE FOLD SUBSTANTIALLY IN CONTACT WITH THE TOP EDGE AND THE SECTIONS OVERLYING THE FACES OF THE PORTION OF THE PAGE AT THE TOP EDGE IN CONTACT THEREWITH AND EXTENDING UP TO THE MARGINAL EDGE AT THE UPPER CORNER OF THE PAGE, MEANS CARRIED BY THE STRIP FOR SECURING IT TO THE PAGE AND AN INDEX TAB CARRIED BY ONE OF THE SECTIONS AND ADAPTED TO PROJECT LATERALLY BEYOND THE MARGINAL EDGE OF THE PAGE.
Claim 2
Dependent Claim
136 words
AN INDEX UNIT FOR A BOOK WITH A PAGE HAVING OPPOSING FACES AND PROVIDED WITH A TOP EDGE AND AN OUTER MARGINAL EDGE ADJOINING THE TOP EDGE AND FORMING THEREWITH AN UPPER CORNER OF THE PAGE; SAID INDEX UNIT COMPRISING A STRIP FOLDED UPON ITSELF TO PROVIDE OPPOSING SECTIONS, SAID STRIP BEING POSITIONED OVER THE TOP EDGE OF THE PAGE WITH THE FOLD SUBSTANTIALLY IN CONTACT WITH THE TOP EDGE AND THE SECTIONS OVERLYING THE FACES OF THE PORTION OF THE PAGE AT THE TOP EDGE IN CONTACT THEREWITH AND EXTENDING UP TO THE MARGINAL EDGE AT THE UPPER CORNER OF THE PAGE, MEANS CARRIED BY THE STRIP FOR SECURING IT TO THE PAGE AND AN INDEX TAB CARRIED BY ONE OF THE SECTIONS AND ADAPTED TO PROJECT LATERALLY BEYOND THE MARGINAL EDGE OF THE PAGE.
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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |