Patent US2991574A successfully refreshed from Google Patents.
US2991574A
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US
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Animated display means simulating appearance of effervescing fluid
Assignee: NEON PRODUCTS Inc
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Filing: 1960-08-15
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Granted: 1961-07-11
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Expires: 1980-08-15
Abstract
No abstract record available.
Inventors
- 👤 Charles E Trame
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:33
CPC Classifications
G; G09; G09F; G09F19/00; G09F19/12; G09F19/125; A; A47; A47G; A47G19/00; A47G19/22; A47G19/2205; A47G19/2227; A63; A63H; A63H33/00; A63H33/30; A63H33/3022; G09F13/00; G09F13/24; A47G23/00; A47G23/06; A47G2023/0658
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22289E
Cited
US2353063A
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US2383941A
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US2378934A
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US2520691A
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US2731747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |