Patent US2010037A successfully refreshed from Google Patents.
Patent US2925675A successfully refreshed from Google Patents.
US2925675A
Expired / Lapsed
US
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Transparent covered certificate holder
Assignee: Individual
•
Filing: 1958-10-15
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Granted: 1960-02-23
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Expires: 1978-10-15
Abstract
No abstract record available.
Inventors
- 👤 Frank K Lumpkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:07
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/08; G09F3/18; G09F3/185; Y; Y10; Y10S; Y10S206/00; Y10S206/813
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |