US3020798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projection advertising
Assignee: Individual
•
Filing: 1957-09-17
•
Granted: 1962-02-13
•
Expires: 1977-09-17
Abstract
No abstract record available.
Inventors
- 👤 Charles M Chrisman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:38
CPC Classifications
G; G09; G09F; G09F19/00; G09F19/12; G09F19/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US564971A
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US820511A
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US935715A
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US1279420A
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US1644580A
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US1679311A
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US2060817A
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US1969547A
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US2341223A
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US2473301A
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US2599269A
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US2746208A
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US2796802A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |