Patent US3088252A successfully refreshed from Google Patents.
US3088252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Razor blade stropping holder
Assignee: Individual
•
Filing: 1961-12-22
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Granted: 1963-05-07
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Marion A Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:08
CPC Classifications
B; B24; B24D; B24D15/00; B24D15/06; B24D15/10; B24D15/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
213 words
A RAZOR BLADE STROPPING HOLDER COMPRISING A PAIR OF OPPOSED AND REGISTERED JAW PLATES HAVING OUTER LONGITUDINAL EDGES AND INNER LONIGTUDINAL EDGES, MEANS HINGING THE JAW PLATES TOGETHER AT INNER EDGES, SPRING MEANS YIELDABLY URGING THE JAW PLATES TOWARD EACH OTHER, SAID JAW PLATES HAVING FLAT INNER SURFACE ADAPTED TO ASSUME PARALLEL RELATIONSHIP WHEN THE JAW PLATES ARE CLOSED, SAID JAW PLATES BEING NARROWER THAN A RAZOR BLADE TO BE STROPPED, AND A COMPRESSIBLE LINER COMPRISING LEAVES WIDER THAN THE JAW PLATES AND NARROWER THAN A RAZOR BLADE, SAID LEAVES HAVING INNER EDGES AND FREE OUTER EDGES, MEANS HINGEDLY CONNECTING THE INNER EDGES OF THE LEAVES, SAID LINER BEING DISPOSED BETWEEN THE JAW PLATES AND ENGAGED WITH RELATED INNER SURFACES OF THE JAW PLATES AND ADAPTED TO RECEIVE A RAZOR BLADE THEREBETWEEN, SAID JAW PLATES BEING OF WEDGE CROSS SECTION AND HAVING FLAT OUTER SURFACES WHICH INTERSECT THE INNER SURFACES TO DEFINE THIN OUTER LONGITUDINAL EDGES ON THE JAW PLATES, THE INNER LONGITUDINAL EDGES OF THE JAW PLATES BEING RELATIVELY WIDE, CONVERGENT FLANGES ON AND EXTENDING ALONG THE WIDE INNER EDGES OF THE PLATES ADJACENT TO THEIR OUTER SURFACES, LATERAL LONGITUDINALLY SPACED OVERLAPPED EARS ON THE FLANGES ADJACENT THE WIDER EDGES OF THE PLATES, AND A HEADED HINGE PIN TRAVERSING THE OVERLAPPED EARS.
Claim 2
Dependent Claim
213 words
A RAZOR BLADE STROPPING HOLDER COMPRISING A PAIR OF OPPOSED AND REGISTERED JAW PLATES HAVING OUTER LONGITUDINAL EDGES AND INNER LONIGTUDINAL EDGES, MEANS HINGING THE JAW PLATES TOGETHER AT INNER EDGES, SPRING MEANS YIELDABLY URGING THE JAW PLATES TOWARD EACH OTHER, SAID JAW PLATES HAVING FLAT INNER SURFACE ADAPTED TO ASSUME PARALLEL RELATIONSHIP WHEN THE JAW PLATES ARE CLOSED, SAID JAW PLATES BEING NARROWER THAN A RAZOR BLADE TO BE STROPPED, AND A COMPRESSIBLE LINER COMPRISING LEAVES WIDER THAN THE JAW PLATES AND NARROWER THAN A RAZOR BLADE, SAID LEAVES HAVING INNER EDGES AND FREE OUTER EDGES, MEANS HINGEDLY CONNECTING THE INNER EDGES OF THE LEAVES, SAID LINER BEING DISPOSED BETWEEN THE JAW PLATES AND ENGAGED WITH RELATED INNER SURFACES OF THE JAW PLATES AND ADAPTED TO RECEIVE A RAZOR BLADE THEREBETWEEN, SAID JAW PLATES BEING OF WEDGE CROSS SECTION AND HAVING FLAT OUTER SURFACES WHICH INTERSECT THE INNER SURFACES TO DEFINE THIN OUTER LONGITUDINAL EDGES ON THE JAW PLATES, THE INNER LONGITUDINAL EDGES OF THE JAW PLATES BEING RELATIVELY WIDE, CONVERGENT FLANGES ON AND EXTENDING ALONG THE WIDE INNER EDGES OF THE PLATES ADJACENT TO THEIR OUTER SURFACES, LATERAL LONGITUDINALLY SPACED OVERLAPPED EARS ON THE FLANGES ADJACENT THE WIDER EDGES OF THE PLATES, AND A HEADED HINGE PIN TRAVERSING THE OVERLAPPED EARS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |