Patent US3225469A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3225469A Expired / Lapsed US ⏱️ 0.0 years remaining

Paper clip index tab

Assignee: Individual
•
Filing: 1961-08-02
•
Granted: 1965-12-28
•
Expires: 1981-08-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Chase Marston

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 12:01
CPC Classifications
B; B42; B42F; B42F21/00; B42F1/00; B42F1/02; B42F1/04; B42F1/08; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/202; Y10T24/205

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 235 words
THE COMBINATION OF A WIRE PAPER CLIP OF THE TYPE HAVING A PAIR OF U-SECTIONS WITH ONE U-SECTION NESTED WITHIN THE OTHER AND WITH THEIR BIGHT PORTIONS IN SPACED RELATION, A CONNECTING U-SECTION EXTENDING FROM ONE LEG OF THE ONE U-SECTION TO THE OPPOSITE LEG OF THE OTHER U-SECTION, AND AN INDEX TAB OPPOSITE LEG OF THE OTHER CONNECTING U-SECTION, SAID INDEX TAB COMPRISING AN ELONGATED SHEATH SHAPED TO RECEIVE THE CONNECTING U-SECTION, SAID SHEATH BEING OPEN AT ONE END, SAID SHEATH BEING OF SUFFICIENT LENGTH FOR EMBRACING A SUBSTANTIAL PORTION OF THE LEGS OF SAID CONNECTING U-SECTION SUBSTANTIALLY TO A POSITION CLOSELY ADJACENT BOTH FREE ENDS OF THE WIRE OF THE PAPER CLIP WHEREBY THE EDGES OF THE SHEATH DEFINING THE OPEN END OF THE INDEX TAB WILL SERVE AS A STOP TO LIMIT THE POSITIONING OF THE PAPER CLIP ON THE EDGE OF THE SHEET WHEREBY THE FREE ENDS OF THE FREE LEGS OF THE NESTED U-SECTIONS WILL NOT TEAR THE PAPER UPON REMOVAL OF THE PAPER CLIP AND ITS INDEX TAB FROM THE PAPER SHEET, SAID SHEATH HAVING AT LEAST A RESILIENT PART THEREOF LYING WITHIN A PROJECTION OF THE MAXIMUM TRANSVERSE CROSS SECTION OF SAID CONNECTING U-SECTION AND DISPLACEABLE TO THE OUTSIDE OF THE PROJECTION OF SID MAXIMUM TRANSVERSE CROSS SECTION PERMITTING REMOVAL OF SAID INDEC TAB FROM THE PAPER CLIP AND REAPPLICATION TO THE SAME OR A DIFFERENT PAPER CLIP.
Claim 2
Dependent Claim 235 words
THE COMBINATION OF A WIRE PAPER CLIP OF THE TYPE HAVING A PAIR OF U-SECTIONS WITH ONE U-SECTION NESTED WITHIN THE OTHER AND WITH THEIR BIGHT PORTIONS IN SPACED RELATION, A CONNECTING U-SECTION EXTENDING FROM ONE LEG OF THE ONE U-SECTION TO THE OPPOSITE LEG OF THE OTHER U-SECTION, AND AN INDEX TAB OPPOSITE LEG OF THE OTHER CONNECTING U-SECTION, SAID INDEX TAB COMPRISING AN ELONGATED SHEATH SHAPED TO RECEIVE THE CONNECTING U-SECTION, SAID SHEATH BEING OPEN AT ONE END, SAID SHEATH BEING OF SUFFICIENT LENGTH FOR EMBRACING A SUBSTANTIAL PORTION OF THE LEGS OF SAID CONNECTING U-SECTION SUBSTANTIALLY TO A POSITION CLOSELY ADJACENT BOTH FREE ENDS OF THE WIRE OF THE PAPER CLIP WHEREBY THE EDGES OF THE SHEATH DEFINING THE OPEN END OF THE INDEX TAB WILL SERVE AS A STOP TO LIMIT THE POSITIONING OF THE PAPER CLIP ON THE EDGE OF THE SHEET WHEREBY THE FREE ENDS OF THE FREE LEGS OF THE NESTED U-SECTIONS WILL NOT TEAR THE PAPER UPON REMOVAL OF THE PAPER CLIP AND ITS INDEX TAB FROM THE PAPER SHEET, SAID SHEATH HAVING AT LEAST A RESILIENT PART THEREOF LYING WITHIN A PROJECTION OF THE MAXIMUM TRANSVERSE CROSS SECTION OF SAID CONNECTING U-SECTION AND DISPLACEABLE TO THE OUTSIDE OF THE PROJECTION OF SID MAXIMUM TRANSVERSE CROSS SECTION PERMITTING REMOVAL OF SAID INDEC TAB FROM THE PAPER CLIP AND REAPPLICATION TO THE SAME OR A DIFFERENT PAPER CLIP.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-27 1969-06-28 1969-12-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-27 1973-06-28 1973-12-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-27 1977-06-28 1977-12-28 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag