← Back to Patent Explorer
US3228140A Expired / Lapsed US ⏱️ 0.0 years remaining

String separator for creation of multiple string return tops

Assignee: Individual
•
Filing: 1963-06-10
•
Granted: 1966-01-11
•
Expires: 1983-06-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Donald A White

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 12:53
CPC Classifications
A; A63; A63H; A63H1/00; A63H1/30

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 79 words
A TOY RETURN TOP COMPRISING: ONE OR MORE DISKS PLACED BETWEEN THE TOP OUTSIDE ENDS OF AN ORDINARY "YOYO" TYPE OF RETURN TOP, THEIR CENTERS BEING PIERCED LATERALLY BY A DOWEL WHICH FORMS A MUTUAL CENTER AXIS FOR THE TWO OUTSIDE ENDS OF THE RETURN TOP AND THE STRING SEPARATORS, EACH STRING SEPARATOR HAVING TWO SIDES WHICH HAVE A SIMILAR SPATIAL RELATIONSHIP TO THE OPPOSING SIDES OF THE RETURN TOP AND OTHER STRING SEPARATORS EMPLOYED IN THE RETURN TOP.
Claim 2
Dependent Claim 79 words
A TOY RETURN TOP COMPRISING: ONE OR MORE DISKS PLACED BETWEEN THE TOP OUTSIDE ENDS OF AN ORDINARY "YOYO" TYPE OF RETURN TOP, THEIR CENTERS BEING PIERCED LATERALLY BY A DOWEL WHICH FORMS A MUTUAL CENTER AXIS FOR THE TWO OUTSIDE ENDS OF THE RETURN TOP AND THE STRING SEPARATORS, EACH STRING SEPARATOR HAVING TWO SIDES WHICH HAVE A SIMILAR SPATIAL RELATIONSHIP TO THE OPPOSING SIDES OF THE RETURN TOP AND OTHER STRING SEPARATORS EMPLOYED IN THE RETURN TOP.

References Cited (Backward Citations)

US1311534A Cited
US1854876A Cited
US2380301A Cited
DE862866C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-01-10 1969-07-12 1970-01-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-01-10 1973-07-12 1974-01-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-01-10 1977-07-12 1978-01-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag