Patent US2203421A successfully refreshed from Google Patents.
US3518758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Utility knife with movable and rotatable blade
Assignee: Individual
•
Filing: 1967-10-24
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Granted: 1970-07-07
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Expires: 1987-10-24
Abstract
No abstract record available.
Inventors
- 👤 Robert A Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:40
CPC Classifications
B; B26; B26B; B26B5/00; B26B5/005; B26B5/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1830729A
Cited
US2650422A
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US2830831A
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US2869233A
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US2870537A
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US3063147A
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US3078572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |