US3337100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic razor knife holder
Assignee: Individual
•
Filing: 1965-08-09
•
Granted: 1967-08-22
•
Expires: 1985-08-09
Abstract
No abstract record available.
Inventors
- 👤 Charles E Berning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:11
CPC Classifications
B; B26; B26B; B26B29/00; B26B29/02; B26B29/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A PROTECTIVE OPEN SIDED HOLDER OF AN INSTRUMENT HAVING A HANDLE ATTACHED TO A BLADE WITH A CUTTING EDGE, AT LEAST A PORTION OF WHICH BLADE IS MADE OF MAGNETICALLY ATTRACTABLE MATERIAL, SAID HOLDER COMPRISING: (A) A RELATIVELY RIGID BACKBOARD, (B) A WALL MEMBER AT ONE END OF SAID BACKBOARD EXTENDING OUTWARDLY FROM ONE SIDE OF SAID BACKBOARD AND HAVING AN OPENING THEREIN FOR RECEIVING SAID HANDLE, (C) A PERMANENT MAGNET ON SAID BACKBOARD ADJACENT SAID WALL MEMBER OF RELEASABLY HOLDING SAID BLADE SO THAT AT LEAST THE CUTTING EDGE THEREOF IS PROTECTED BY SAID WALL MEMBER, (D) A SOCKET AT THE OTHER END OF SAID BACKBOARD FOR CONTAINING THE FREE END OF SAID HANDLE, AND (E) A MEANS FOR RELEASABLY ATTACHING SAID BACKBOARD TO A SUPPORT.
Claim 2
Dependent Claim
127 words
A PROTECTIVE OPEN SIDED HOLDER OF AN INSTRUMENT HAVING A HANDLE ATTACHED TO A BLADE WITH A CUTTING EDGE, AT LEAST A PORTION OF WHICH BLADE IS MADE OF MAGNETICALLY ATTRACTABLE MATERIAL, SAID HOLDER COMPRISING: (A) A RELATIVELY RIGID BACKBOARD, (B) A WALL MEMBER AT ONE END OF SAID BACKBOARD EXTENDING OUTWARDLY FROM ONE SIDE OF SAID BACKBOARD AND HAVING AN OPENING THEREIN FOR RECEIVING SAID HANDLE, (C) A PERMANENT MAGNET ON SAID BACKBOARD ADJACENT SAID WALL MEMBER OF RELEASABLY HOLDING SAID BLADE SO THAT AT LEAST THE CUTTING EDGE THEREOF IS PROTECTED BY SAID WALL MEMBER, (D) A SOCKET AT THE OTHER END OF SAID BACKBOARD FOR CONTAINING THE FREE END OF SAID HANDLE, AND (E) A MEANS FOR RELEASABLY ATTACHING SAID BACKBOARD TO A SUPPORT.
References Cited (Backward Citations)
US1123862A
Cited
US1754526A
Cited
US2399522A
Cited
US2457032A
Cited
US2910804A
Cited
US3233802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |