US3290778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Razor guard
Assignee: Individual
•
Filing: 1964-05-22
•
Granted: 1966-12-13
•
Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 Alva J Hickerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:50
CPC Classifications
B; B26; B26B; B26B29/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US311466A
Cited
CA477564A
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US875274A
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US1957065A
Cited
US2320807A
Cited
CH234185A
Cited
US2372280A
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US2695448A
Cited
US3172202A
Cited
US3177582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |