US2546406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Razor blade
Assignee: Individual
•
Filing: 1946-04-08
•
Granted: 1951-03-27
•
Expires: 1966-04-08
Abstract
No abstract record available.
Inventors
- 👤 Rauglas Gerard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:37
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/08; B26B21/14; B26B21/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US326885A
Cited
US543348A
Cited
US1262073A
Cited
US1791586A
Cited
US1770604A
Cited
US2125502A
Cited
US1912720A
Cited
US1848078A
Cited
US1929162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |