US3177582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Razor head guard
Assignee: Individual
•
Filing: 1963-09-23
•
Granted: 1965-04-13
•
Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Curtis Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:25
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/40; B26B29/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA477564A
Cited
CA667547A
Cited
US875274A
Cited
US1439902A
Cited
US1974175A
Cited
US1957065A
Cited
US2320807A
Cited
US2372280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |