US3719140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stencil hand stamp with fluid-containing handle and torsion-spring support
Assignee: Diagraph Bradley Industries Inc
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Filing: 1970-07-27
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Granted: 1973-03-06
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Expires: 1990-07-27
Abstract
Abstract A HAND STAMP PRINTING IMPLEMENT OR DIPLICATOR HAVING AN INKING PAD WITH A CONVEXLY CURVED BOTTOM FACE WITH CLAMPS FOR HOLDING A STENCIL IN PLACE ON SAID FACE AND A PAIR OF SPRING-BIASED SUPPORTS AT THE END OF THE PAD FOR HOLDING THE PAD LIFTED OFF A SURFACE WITH THE BOTTOM OF THE PAD FACING DOWNWARDLY AND IN POSITION FOR BEING MOVED DOWN TOWARD SAID SURFACE FOR CONTACT OF THE STENCIL WITH SAID SURFACE AND ROCKING OF THE PAD OVER SAID SURFACE.
Inventors
- 👤 L Hammel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:18
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/36; B41K1/22; B41K1/24; B41K1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |