Patent US3525014A successfully refreshed from Google Patents.
US3525014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy-responsive luminescent device
Assignee: Panasonic Holdings Corp
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Filing: 1968-01-25
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Granted: 1970-08-18
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Expires: 1988-01-25
Abstract
No abstract record available.
Inventors
- 👤 Tadao Kohashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:54
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3050654A
Cited
US3311781A
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US3154720A
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US3130348A
Cited
US3387271A
Cited
US3409876A
Cited
US3351937A
Cited
US3385992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |