US3399476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Animated sign
Assignee: Individual
•
Filing: 1965-02-01
•
Granted: 1968-09-03
•
Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 James F Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:22
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0011; G02B6/0081; G02B6/0086; G02B6/0091; G02B6/0075; G02B6/0078; G09; G09F; G09F9/00; G09F9/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE642844C
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US2524657A
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US2639528A
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US2722762A
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CH291067A
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US3076278A
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US3208174A
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US3273274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |