US3176398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Razor blade having multiple cutting edges
Assignee: Individual
•
Filing: 1963-05-22
•
Granted: 1965-04-06
•
Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 Harry P Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:40
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/08; B26B21/14; B26B21/20; B26B21/54; B26B21/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1573244A
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US1975757A
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US2019475A
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US2439909A
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US2934821A
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US2902758A
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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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |