US3269282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for providing failure planes in concrete
Assignee: Individual
•
Filing: 1964-06-11
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Granted: 1966-08-30
•
Expires: 1984-06-11
Abstract
No abstract record available.
Inventors
- 👤 Robert L Beesley
- 👤 Robert F Dill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:17
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/02; E01C23/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A FLEXIBLE RIBBON PLACEMENT MEANS COMPRISING: A GENERALLY FLAT BLADE HAVING TWO SIDES; MEANS TO IMMERSE SAID BLADE IN A PLASTIC MEANS HAVING A TOP SURFACE; MEANS TO MOVE SAID IMMERSED BLADE THROUGH SAID PLASTIC MASS; AN INCLINED GUIDE CARRIED BY SAID BLADE, SAID INCLINED GUIDE HAVING A STRAIGHT EDGE ADAPTED TO CONTACT AND FOLD A FLEXIBLE RIBBON AS IT PASSES FROM ONE SIDE OF SAID BLADE TO THE OTHER, SAID MEANS TO IMMERSE BEING ADAPTED TO POSITION SAID BLADE WITH THE PLANE IN THE DIRECTION OF ITS MOTION SO THAT SAID STRAIGHT EDGE EXTENDS BENEATH SAID TOP SURFACE AT AN INCLINED ANGLE TO SAID TOP SURFACE; AND MEANS TO FEED A FLEXIBLE RIBBON ALONG ONE SIDE OF SAID BLADE TO SAID GUIDE, SAID MEANS TO FEED BEING ADAPTED TO FEED SAID FLEXIBLE RIBBON SO THAT THE EDGE OF SAID RIBBON IS AT AN ANGLE INCIDENT TO SAID TOP SURFACE, SAID INCIDENT ANGLE BEING TWICE SAID INCLINED ANGLE.
Claim 2
Dependent Claim
158 words
A FLEXIBLE RIBBON PLACEMENT MEANS COMPRISING: A GENERALLY FLAT BLADE HAVING TWO SIDES; MEANS TO IMMERSE SAID BLADE IN A PLASTIC MEANS HAVING A TOP SURFACE; MEANS TO MOVE SAID IMMERSED BLADE THROUGH SAID PLASTIC MASS; AN INCLINED GUIDE CARRIED BY SAID BLADE, SAID INCLINED GUIDE HAVING A STRAIGHT EDGE ADAPTED TO CONTACT AND FOLD A FLEXIBLE RIBBON AS IT PASSES FROM ONE SIDE OF SAID BLADE TO THE OTHER, SAID MEANS TO IMMERSE BEING ADAPTED TO POSITION SAID BLADE WITH THE PLANE IN THE DIRECTION OF ITS MOTION SO THAT SAID STRAIGHT EDGE EXTENDS BENEATH SAID TOP SURFACE AT AN INCLINED ANGLE TO SAID TOP SURFACE; AND MEANS TO FEED A FLEXIBLE RIBBON ALONG ONE SIDE OF SAID BLADE TO SAID GUIDE, SAID MEANS TO FEED BEING ADAPTED TO FEED SAID FLEXIBLE RIBBON SO THAT THE EDGE OF SAID RIBBON IS AT AN ANGLE INCIDENT TO SAID TOP SURFACE, SAID INCIDENT ANGLE BEING TWICE SAID INCLINED ANGLE.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |