Patent US3090305A successfully refreshed from Google Patents.
US3090305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-inking hand stamp
Assignee: Individual
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Filing: 1960-08-05
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Granted: 1963-05-21
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Expires: 1980-08-05
Abstract
No abstract record available.
Inventors
- 👤 Harold P Keck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:32
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/36; B41K1/38; B41K1/40; B41K1/42; B41K1/08; B41K1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A SELF-INKING HAND STAMP COMPRISING A BASE FRAME, A DEPRESSIBLE SUB-FRAME SUPPORTED BY SAID BASE FRAME, A PRINTING UNIT ROTATABLY SUPPORTED AT THE LOWER END OF SAID SUB-FRAME TO ROTATE UPON THE DEPRESSION OF SAID DEPRESSIBLE SUB-FRAME TO ROTATE UPON THE DEPRESSION OF SAID DEFRAME ABOVE SAID PRINTING UNIT, AN OPENING AT THE LOWER END OF SAID INK CONTAINER, A ROLLER ROTATABLY SUPPORTED AT THE LOWER END OF SAID INK CONTAINER AND BLOCKING SAID OPENING BUT ADAPTED TO RECEIVE THE INK FROM SAID INK CONTAINER BY GRAVITY FLOW, MEANS ON SAID PRINTING UNIT AND ON SAID ROLLER COOPERATING TO ROTATE SAID ROLLER WITH EACH DOWNWARD ACTUATION OF SAID DEPRESSIBLE SUB-FRAME TO EXPOSE A NEW INKING SURFACE ON SAID ROLLER TO SAID PRINTING UNIT BEFORE SAID PRINTING UNIT ENGAGES SAID INKING ROLLER, SAID MEANS PERMITTING SAID PRINTING UNIT TO RETURN ON THE UPSTROKE WITHOUT ROTATING SAID ROLLER.
Claim 2
Dependent Claim
146 words
A SELF-INKING HAND STAMP COMPRISING A BASE FRAME, A DEPRESSIBLE SUB-FRAME SUPPORTED BY SAID BASE FRAME, A PRINTING UNIT ROTATABLY SUPPORTED AT THE LOWER END OF SAID SUB-FRAME TO ROTATE UPON THE DEPRESSION OF SAID DEPRESSIBLE SUB-FRAME TO ROTATE UPON THE DEPRESSION OF SAID DEFRAME ABOVE SAID PRINTING UNIT, AN OPENING AT THE LOWER END OF SAID INK CONTAINER, A ROLLER ROTATABLY SUPPORTED AT THE LOWER END OF SAID INK CONTAINER AND BLOCKING SAID OPENING BUT ADAPTED TO RECEIVE THE INK FROM SAID INK CONTAINER BY GRAVITY FLOW, MEANS ON SAID PRINTING UNIT AND ON SAID ROLLER COOPERATING TO ROTATE SAID ROLLER WITH EACH DOWNWARD ACTUATION OF SAID DEPRESSIBLE SUB-FRAME TO EXPOSE A NEW INKING SURFACE ON SAID ROLLER TO SAID PRINTING UNIT BEFORE SAID PRINTING UNIT ENGAGES SAID INKING ROLLER, SAID MEANS PERMITTING SAID PRINTING UNIT TO RETURN ON THE UPSTROKE WITHOUT ROTATING SAID ROLLER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |