Patent US3204639A successfully refreshed from Google Patents.
US3204639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
File-drawer dividers
Assignee: Individual
•
Filing: 1963-09-26
•
Granted: 1965-09-07
•
Expires: 1983-09-26
Abstract
No abstract record available.
Inventors
- 👤 Kleffman Mildred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:41
CPC Classifications
B; B42; B42F; B42F21/00; B42F21/06; B42F21/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A FILE-DRAWER INDEXING-DIVIDER OF CONVENTIONAL MATERIAL AND DIMENSION HAVING A SLOT EXTENDING INWARDLYPARALLEL ALONG THE TOP PERIMETER THEREOF AND HAVING A PLURALITY OF NOTCHES DISPOSED TRANSVERSELY OF AND OPENING INTO THE SLOT AT PREDETERMINED INTERVALS, AN INDEX-TAB HOLDER, AND A PIN SECURED TO THE HOLDER AND EXTENDING THROUGH THE SLOT AND SLIDABLE THEREIN FOR SUPPORTING THE HOLDER FOR MOVEMENT ALONG THE TOP PERIMETER OF THE DIVIDER, THE PIN BEING SEATABLE IN ONE OF THE NOTCHES FOR THE TENTATIVE RETENTION OF THE HOLDER AT A PREDETERMINED INDEXING POSITION ON THE DIVIDER.
Claim 2
Dependent Claim
90 words
A FILE-DRAWER INDEXING-DIVIDER OF CONVENTIONAL MATERIAL AND DIMENSION HAVING A SLOT EXTENDING INWARDLYPARALLEL ALONG THE TOP PERIMETER THEREOF AND HAVING A PLURALITY OF NOTCHES DISPOSED TRANSVERSELY OF AND OPENING INTO THE SLOT AT PREDETERMINED INTERVALS, AN INDEX-TAB HOLDER, AND A PIN SECURED TO THE HOLDER AND EXTENDING THROUGH THE SLOT AND SLIDABLE THEREIN FOR SUPPORTING THE HOLDER FOR MOVEMENT ALONG THE TOP PERIMETER OF THE DIVIDER, THE PIN BEING SEATABLE IN ONE OF THE NOTCHES FOR THE TENTATIVE RETENTION OF THE HOLDER AT A PREDETERMINED INDEXING POSITION ON THE DIVIDER.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |