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US3471209A
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Assignee: Howard Displays Inc
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Filing: 1967-08-15
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Granted: 1969-10-07
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Expires: 1987-08-15
Abstract
No abstract record available.
Inventors
- 👤 Fred Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:10
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/0081; A47F5/0093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US886192A
Cited
US2328835A
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US2564658A
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US2534350A
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US2624094A
Cited
US3022129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |