US3239957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window vent display support flag
Assignee: Chicago Show Printing Co
•
Filing: 1962-03-01
•
Granted: 1966-03-15
•
Expires: 1982-03-01
Abstract
No abstract record available.
Inventors
- 👤 Robert R Snediker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:49
CPC Classifications
G; G09; G09F; G09F17/00; G09F2017/0075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1453772A
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US1294032A
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US1646467A
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US2033430A
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US2076530A
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US2072573A
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US2180125A
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US2445606A
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US2534117A
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US2764122A
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US3037311A
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US3024552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |