Patent US3228140A successfully refreshed from Google Patents.
US3228140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
String separator for creation of multiple string return tops
Assignee: Individual
•
Filing: 1963-06-10
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Granted: 1966-01-11
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Donald A White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:40
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)
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 |