Patent US3158956A successfully refreshed from Google Patents.
US3158956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tree girdler
Assignee: Mcculloch Corp
•
Filing: 1961-02-20
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Granted: 1964-12-01
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Expires: 1981-02-20
Abstract
No abstract record available.
Inventors
- 👤 Gudmundsen Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:52
CPC Classifications
B; B27; B27B; B27B17/00; A; A01; A01G; A01G23/00; A01G23/02; A01G23/099
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A TREE GIRDLER COMPRISING: A HANDLE; CUTTING MEANS PIVOTALLY MOUNTED ON SAID HANDLE; AND MEANS BIASING SAID CUTTING MEANS TO A POSITION WITH RESPECT TO SAID HANDLE FROM WHICH SAID LAST MEANS CAN BE STARTED TO GIRDLE A TREE, SAID CUTTING MEANS BEING PIVOTABLE THROUGH 360 DE-
Claim 2
Dependent Claim
47 words
A TREE GIRDLER COMPRISING: A HANDLE; CUTTING MEANS PIVOTALLY MOUNTED ON SAID HANDLE; AND MEANS BIASING SAID CUTTING MEANS TO A POSITION WITH RESPECT TO SAID HANDLE FROM WHICH SAID LAST MEANS CAN BE STARTED TO GIRDLE A TREE, SAID CUTTING MEANS BEING PIVOTABLE THROUGH 360 DE-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |