Patent US2545282A successfully refreshed from Google Patents.
US2545282A
Expired / Lapsed
US
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Erasing device
Assignee: BLUE ROBIN Corp
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Filing: 1946-11-15
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Granted: 1951-03-13
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Expires: 1966-11-15
Abstract
No abstract record available.
Inventors
- 👤 Jenny Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:40
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/26; B41J29/28; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1498; Y10T408/00; Y10T408/65; Y10T408/665
Claims Analysis
Total Claims: 0
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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) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |