Patent US3387393A successfully refreshed from Google Patents.
US3387393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy planetarium
Assignee: CLAIR O MUSSER
•
Filing: 1966-01-21
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Granted: 1968-06-11
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Expires: 1986-01-21
Abstract
No abstract record available.
Inventors
- 👤 Clair O Musser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:49
CPC Classifications
G; G09; G09B; G09B27/00; G09B27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US122954A
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US749508A
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US1770820A
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US2226032A
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US2418718A
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US2594678A
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US2786680A
Cited
US2949682A
Cited
CH379164A
Cited
US3286374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |