US3561147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Book index
Assignee: Individual
•
Filing: 1969-06-17
•
Granted: 1971-02-09
•
Expires: 1989-06-17
Abstract
Abstract A PREFABRICATED INSERT-LEAF, WITH OR WITHOUT PRINTED MATTER AND ADAPTED TO BE MOUNTED BETWEEN THE LEAVES OF A TELEPHONE OR SIMILAR DIRECTORY, DICTIONARY OR THE LIKE AND HAVING AN ELONGATED FLEXIBLE STRUCK OUT RIBBON-LIKE TONGUE. THIS TONGUE EMBODIES LIKE HALF-PORTIONS WHICH CAN BE FOLDED AND CREASED TO PROVIDE SEVERAL COMPANION PLIES PROVIDING A FINGER-GRIPPABLE SUITABLY LETTERED BOOK INDEXING TAB. THE OUTWARDLY FOLDED TONGUE HAS REVERSELY FOLDED SECOND AND THIRD PLIES, THE SECOND PLY BEING THREADED THROUGH AN APPROPRIATE PRECUT SLIT AND THE FREE OR TERMINAL PLY BEING SANDWICHED BETWEEN COORDINATIG PORTIONS OF THE FIRST AND SECOND PLIES TO PROVIDE A TRIPLE PLY TAB.
Inventors
- 👤 Jose Valencia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:39
CPC Classifications
B; B42; B42F; B42F21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |