Patent US3518786A successfully refreshed from Google Patents.
US3518786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Block with resilient foam core and plastic cover
Assignee: DOLLY TOY Co
•
Filing: 1968-04-30
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Granted: 1970-07-07
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Expires: 1988-04-30
Abstract
No abstract record available.
Inventors
- 👤 John H Holtvoigt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:26
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; Y; Y10; Y10S; Y10S273/00; Y10S273/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1314541A
Cited
US1465637A
Cited
US2713746A
Cited
US2968104A
Cited
GB920161A
Cited
US3185476A
Cited
US3451075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |