US2528211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall for model building structures
Assignee: General Electric Co
•
Filing: 1948-10-16
•
Granted: 1950-10-31
•
Expires: 1968-10-16
Abstract
No abstract record available.
Inventors
- 👤 Civkin Victor
- 👤 Gerald M Macari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:52
CPC Classifications
G; G09; G09B; G09B25/00; G09B25/04; Y; Y10; Y10S; Y10S52/00; Y10S52/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1659101A
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US1624741A
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US1845240A
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US2109655A
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US2127047A
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US2221766A
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US2315463A
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US2405808A
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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) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |