Patent US3454344A successfully refreshed from Google Patents.
US3454344A
Expired / Lapsed
US
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Games employing ph-sensitive media
Assignee: MATTTEL Inc
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Filing: 1965-12-15
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Granted: 1969-07-08
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Expires: 1985-12-15
Abstract
No abstract record available.
Inventors
- 👤 John W Ryan
- 👤 Albert Safianoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:16
CPC Classifications
B; B43; B43L; B43L1/00; B43L1/04; B43L1/10; A; A63; A63F; A63F3/00; A63F3/06; A63F3/065; A63F3/0685; A63F9/00; A63F9/0076; B43K; B43K8/00; B43K8/02; B43K8/024
Claims Analysis
Total Claims: 0
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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) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |