Patent US2846970A successfully refreshed from Google Patents.
US2846970A
Expired / Lapsed
US
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Illuminated instrument construction
Assignee: California Plasteck Inc
•
Filing: 1954-04-05
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Granted: 1958-08-12
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Expires: 1974-04-05
Abstract
No abstract record available.
Inventors
- 👤 James N Dupree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:29
CPC Classifications
G; G01; G01D; G01D11/00; G01D11/28; Y; Y10; Y10S; Y10S116/00; Y10S116/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1349241A
Cited
US2172765A
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US2401867A
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US2518726A
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US2602036A
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DE827715C
Cited
US2594081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |