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US3274686A Expired / Lapsed US ⏱️ 0.0 years remaining

Laminated razor blade for injector razor

Assignee: Eversharp Inc
•
Filing: 1965-03-02
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Granted: 1966-09-27
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Expires: 1985-03-02
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Abstract

No abstract record available.

Inventors

  • 👤 Dawidowicz Jan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 15:13
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/54

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 186 words
A LAMINATED RAZOR BLADE FOR USE IN AN INJECTOR RAZOR COMPRISING A THIN FLAT METAL RAZOR BLADE OF RESILIENTLY FLEXIBLE MATERIAL HAVING A THICKNESS OF NO GREATER THAN ABOUT .005 INCH, A CUTTING EDGE FORMED ALONG AT LEAST ONE ELONGATED EDGE OF SAID BLADE, A THIN FLAT REINFORCING STRIP HAVING A THICKNESS FROM ABOUT .003 TO ABOUT .008 INCH ATTACHED TO AT LEAST ONE OF THE FLAT SURFACES OF THE BLADE WITH THEIR RESPECTIVE BROAD FACES IN A FACE-TO-FACE ADHESIVE BOND TO DEFINE A COMPOSITE BLADE HAVING A COMBINED FLAT AND UNIFORM THICKNESS WITH THE END EDGE OF THE BLADE AND REINFORCING STRIP DEFINING WITH THEIR COMBINED THICKNESS AN EDGE SURFACE AREA SUFFICIENT FOR ABUTTING CONTACT WITH A CORRESPONDING EDGE SURFACE AREA ON THE EDGE OF A SIMILAR BLADE, ONE SIDE EDGE OF THE REINFORCING STRIP EXTENDING PARALLEL TO BUT SPACED FROM THE SIDE EDGE, WHEREBY THE CUTTING EDGE EXTENDS FROM THE SIDE EDGE OF THE REINFORCING STRIP AN EXTENT SUFFICIENT TO EXTEND THE CUTTING EDGE OUT OF THE HEAD OF THE RAZOR IN SAFETY CUTTING POSITION RELATIVE TO THE SAFETY GUARD OF AN INJECTOR RAZOR.
Claim 2
Dependent Claim 186 words
A LAMINATED RAZOR BLADE FOR USE IN AN INJECTOR RAZOR COMPRISING A THIN FLAT METAL RAZOR BLADE OF RESILIENTLY FLEXIBLE MATERIAL HAVING A THICKNESS OF NO GREATER THAN ABOUT .005 INCH, A CUTTING EDGE FORMED ALONG AT LEAST ONE ELONGATED EDGE OF SAID BLADE, A THIN FLAT REINFORCING STRIP HAVING A THICKNESS FROM ABOUT .003 TO ABOUT .008 INCH ATTACHED TO AT LEAST ONE OF THE FLAT SURFACES OF THE BLADE WITH THEIR RESPECTIVE BROAD FACES IN A FACE-TO-FACE ADHESIVE BOND TO DEFINE A COMPOSITE BLADE HAVING A COMBINED FLAT AND UNIFORM THICKNESS WITH THE END EDGE OF THE BLADE AND REINFORCING STRIP DEFINING WITH THEIR COMBINED THICKNESS AN EDGE SURFACE AREA SUFFICIENT FOR ABUTTING CONTACT WITH A CORRESPONDING EDGE SURFACE AREA ON THE EDGE OF A SIMILAR BLADE, ONE SIDE EDGE OF THE REINFORCING STRIP EXTENDING PARALLEL TO BUT SPACED FROM THE SIDE EDGE, WHEREBY THE CUTTING EDGE EXTENDS FROM THE SIDE EDGE OF THE REINFORCING STRIP AN EXTENT SUFFICIENT TO EXTEND THE CUTTING EDGE OUT OF THE HEAD OF THE RAZOR IN SAFETY CUTTING POSITION RELATIVE TO THE SAFETY GUARD OF AN INJECTOR RAZOR.

References Cited (Backward Citations)

BE498465A Cited
US858701A Cited
US794798A Cited
US929059A Cited
US1458192A Cited
US1734554A Cited
US1916416A Cited
US2335472A Cited
US2983045A Cited
US2937976A Cited
US3111756A Cited
US3128551A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-09-26 1970-03-28 1970-09-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-09-26 1974-03-28 1974-09-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-09-26 1978-03-28 1978-09-27 $7700.00 Window Closed / Lapsed

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