US3119138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spreader for viscous materials
Assignee: Individual
•
Filing: 1962-01-11
•
Granted: 1964-01-28
•
Expires: 1982-01-11
Abstract
No abstract record available.
Inventors
- 👤 Earl K Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:16
CPC Classifications
E; E04; E04D; E04D15/00; E04D15/07; B; B05; B05C; B05C17/00; B05C17/10; E01; E01C; E01C19/00; E01C19/12; E01C19/16; E04D7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A SPREADING DEVICE FOR SPREADING A COATING OF RELATIVELY UNIFORM THICKNSS OF A RELATIVELY VICOUS LIQUID UPON A SURFACE COMPRISING A FLEXIBLE, RESILIENT BLADE HAVING A WORKING EDGE, SAID BLADE HAVING GROOVES ALONG AT LEAST ONE FACE THEREOF EXTENDING AWAY FROM SAID WORKING EDGE, SAID GROOVES BEING SEPARATED BY FLUTES THAT ARE NARROWER THAN SAID GROOVES, SAID GROOVES BEING OF UNIFORM DEPTH ALONG SUBSTANTILLY THEIR ENTIRE LENGTH, WHEREBY WHEN SAID BLADE IS DRAWN OVER A SURFACE UPON WHICH THE VISCOUS LIQUID HAS BEEN PLACED WITH THE GOOVED FACE OF SAID BLADE IN ENGAGEMENT WITH THE SURFACE, THE VISCOUS LIQUID ESCAPES FROM THE BLADE IN THE FORM OF RELATIVELY UNIFORMLY THICK PARALLEL ADJACENT RIBBONS DESPITE VARIATIONS IN THE DEGREE OF FLEXURE OF SAID BALDE, SAID DEVICE ALSO INCLUDING MEANS FOR PRESSING UPON THE RIBBONS SO FORMED AS SAID DEVICE IS DRAWN ALONG THE SURFACE THEREBY TO CAUSE THE RIBBONS TO FLOW LATERALLY AND TO MERGE TOGETHER INTO A SMOOTH COATING.
Claim 2
Dependent Claim
159 words
A SPREADING DEVICE FOR SPREADING A COATING OF RELATIVELY UNIFORM THICKNSS OF A RELATIVELY VICOUS LIQUID UPON A SURFACE COMPRISING A FLEXIBLE, RESILIENT BLADE HAVING A WORKING EDGE, SAID BLADE HAVING GROOVES ALONG AT LEAST ONE FACE THEREOF EXTENDING AWAY FROM SAID WORKING EDGE, SAID GROOVES BEING SEPARATED BY FLUTES THAT ARE NARROWER THAN SAID GROOVES, SAID GROOVES BEING OF UNIFORM DEPTH ALONG SUBSTANTILLY THEIR ENTIRE LENGTH, WHEREBY WHEN SAID BLADE IS DRAWN OVER A SURFACE UPON WHICH THE VISCOUS LIQUID HAS BEEN PLACED WITH THE GOOVED FACE OF SAID BLADE IN ENGAGEMENT WITH THE SURFACE, THE VISCOUS LIQUID ESCAPES FROM THE BLADE IN THE FORM OF RELATIVELY UNIFORMLY THICK PARALLEL ADJACENT RIBBONS DESPITE VARIATIONS IN THE DEGREE OF FLEXURE OF SAID BALDE, SAID DEVICE ALSO INCLUDING MEANS FOR PRESSING UPON THE RIBBONS SO FORMED AS SAID DEVICE IS DRAWN ALONG THE SURFACE THEREBY TO CAUSE THE RIBBONS TO FLOW LATERALLY AND TO MERGE TOGETHER INTO A SMOOTH COATING.
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) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |