Patent US2502248A successfully refreshed from Google Patents.
US2502248A
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US
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Razor blade ejector pack
Assignee: Individual
•
Filing: 1945-03-06
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Granted: 1950-03-28
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Expires: 1965-03-06
Abstract
No abstract record available.
Inventors
- 👤 Roland J Colton
- 👤 Martial Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:08
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/08; B65D83/10; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53478; Y10T29/53487
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US58357A
Cited
US1911627A
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US825937A
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US1302624A
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US1448777A
Cited
US2010304A
Cited
US2439243A
Cited
US2376206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |