US2694228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making display assemblies
Assignee: Individual
•
Filing: 1950-05-16
•
Granted: 1954-11-16
•
Expires: 1970-05-16
Abstract
No abstract record available.
Inventors
- 👤 Clark A Mathis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:29
CPC Classifications
B; B44; B44C; B44C3/00; B44C3/04; B44C3/046; B29; B29C; B29C39/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US212478A
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US1359510A
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USRE19549E
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US1668590A
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US2136609A
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US2079468A
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US2299331A
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US2347320A
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US2428977A
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US2537970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |