US3026641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable collapsible and changeable sign
Assignee: Individual
•
Filing: 1960-11-04
•
Granted: 1962-03-27
•
Expires: 1980-11-04
Abstract
No abstract record available.
Inventors
- 👤 John B Keats
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:37
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/02; B; B65; B65D; B65D88/00; B65D88/02; B65D88/12; E; E01; E01F; E01F9/00; E01F9/60; E01F9/688; E01F9/692
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US443053A
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US782811A
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US814101A
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US829064A
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US1240376A
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US1483067A
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US1612035A
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US2002756A
Cited
US2167564A
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GB705598A
Cited
US2903103A
Cited
US2928633A
Cited
US2950787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |