US3089261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutter blade attachment for excavator bucket
Assignee: Individual
•
Filing: 1961-06-21
•
Granted: 1963-05-14
•
Expires: 1981-06-21
Abstract
No abstract record available.
Inventors
- 👤 Roy A Flath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:36
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/02; E02F5/025
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
127 words
A CUTTER ATTACHMENT FOR AN EXCAVATING BUCKET HAVING SIDE WALLS COMPRISING, A PAIR OF MOUNTING BRACKETS ADAPTED TO BE FIXEDLY SECURED TO OPPOSITE SIDES OF THE BUCKET, A PAIR OF CUTTER BLADES MOUNTED ON SAID BRACKETS AND ADAPTED FOR MAKING A CUT HAVING A WIDTH IN EXCESS OF THE BUCKET WIDTH, SAID CUTTER BLADES BEING MOUNTED PARALLEL TO AND AT THE LEADING EDGE OF THE BUKCET SIDE WALLS, AND ADJUSTING MEANS FOR ADJUSTING THE POSITION OF SAID BLADES WITH RESPECT TO SAID BRACKETS TO FACILITATE MAKING CUTS OF DIFFERENT WIDTHS WITHOUTS CHANGING BUCKETS OR REPLACING THE CUTTER BLADES, SAID ADJUSTMENT MEANS INCLUDING MATING HINGE BARRELS ON SAID BLADE AND BRACKETS AND A HINGE PIN MOUNTED IN SAID BARRELS, SAID ADJUSTMENT MEANS FURTHER INCLUDING OPPOSING FLANGES ON SAID
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |