Patent US3631799A successfully refreshed from Google Patents.
US3631799A
Expired / Lapsed
US
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Rubber stamper with interchangeable printing blocks
Assignee: Shachihata Industry Co Ltd
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Filing: 1969-03-03
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Granted: 1972-01-04
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Expires: 1989-03-03
Abstract
Abstract This invention provides a rubber stamper in which a type block or blocks requiring frequent replacement is positioned removably within another type block or blocks infrequently replaced thereby permitting continuous stamping operation providing consistently clear marks without requiring external ink pad.
Inventors
- 👤 Takaji Funahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:30
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/08; B41K1/36; B41K1/38; B41K1/50; B41K1/56; H; H10; H10P; H10P72/00; H10P72/04; H10P72/0441; H10W; H10W74/00; H10W74/10; H10W74/131; H10W76/00; H10W76/10; H10W76/12; H10W76/13; H10W76/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
In a rubber stamper, the combination of a casing comprising an open-ended boxlike frame member defining two essentially coplanar spaces within the confines of said casing, a first one of said spaces comprising an interior space within said frame member, the second space comprising an outer space encompassing at least part of said interior space and separated therefrom by the walls of said boxlike frame member, an ink-impregnated wad and associated indicia bearing printing block means positioned in said outer space, sleeve means encompassing and connected to the open end of said frame member, said sleeve meAns including an inwardly extending peripheral flange adapted to engage the bottom edge of said printing block means so as to maintain the latter and said wad within said outer space, and a plurality of inkcontaining hollow stem members formed of a resinous material being detachably and interchangeably mounted in said frame member so as to extend through said interior space, one end of each of said stem members comprising a cellular material indicia bearing printing block positioned in essentially coplanar relationship with the printing block in said outer space.
Claim 2
Dependent Claim
186 words
In a rubber stamper, the combination of a casing comprising an open-ended boxlike frame member defining two essentially coplanar spaces within the confines of said casing, a first one of said spaces comprising an interior space within said frame member, the second space comprising an outer space encompassing at least part of said interior space and separated therefrom by the walls of said boxlike frame member, an ink-impregnated wad and associated indicia bearing printing block means positioned in said outer space, sleeve means encompassing and connected to the open end of said frame member, said sleeve meAns including an inwardly extending peripheral flange adapted to engage the bottom edge of said printing block means so as to maintain the latter and said wad within said outer space, and a plurality of inkcontaining hollow stem members formed of a resinous material being detachably and interchangeably mounted in said frame member so as to extend through said interior space, one end of each of said stem members comprising a cellular material indicia bearing printing block positioned in essentially coplanar relationship with the printing block in said outer space.
References Cited (Backward Citations)
US3442209A
Cited
US3402663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-03 | 1975-07-05 | 1976-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-03 | 1979-07-05 | 1980-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-03 | 1983-07-05 | 1984-01-04 | $7700.00 | Window Closed / Lapsed |