US2697276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Razor and blade changer
Assignee: Individual
•
Filing: 1948-10-15
•
Granted: 1954-12-21
•
Expires: 1968-10-15
Abstract
No abstract record available.
Inventors
- 👤 James M Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:56
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/08; B26B21/14; B26B21/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1817512A
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US1791586A
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US1935311A
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US1969945A
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US2094722A
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US2109017A
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US2288301A
Cited
US2342160A
Cited
US2392431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |