Patent US2745175A successfully refreshed from Google Patents.
US2745175A
Expired / Lapsed
US
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Extension blade guard attachment for double edge safety razors
Assignee: Individual
•
Filing: 1952-11-19
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Granted: 1956-05-15
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Expires: 1972-11-19
Abstract
No abstract record available.
Inventors
- 👤 Purdy Kenneth Cameron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:12
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/40; B26B21/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1315312A
Cited
FR768569A
Cited
US1383627A
Cited
US1951775A
Cited
AT138262B
Cited
US1988815A
Cited
US2262248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |