Patent US3158933A successfully refreshed from Google Patents.
US3158933A
Expired / Lapsed
US
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Tree pruning device
Assignee: Mcculloch Corp
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Filing: 1960-04-04
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Granted: 1964-12-01
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Expires: 1980-04-04
Abstract
No abstract record available.
Inventors
- 👤 Davis Ray Francis
- 👤 Gudmundsen Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:05
CPC Classifications
A; A01; A01G; A01G3/00; A01G3/08; A01G3/02; A01G3/033; B; B27; B27C; B27C1/00; B27C1/007
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
IN A CUTTING DEVICE: A SUPPORT; AN ELONGATED CUTTER OPERABLY SUPPORTED BY SAID SUPPORT; A GAUGE SECURED TO SAID SUPPORT AND EXTENDING LONGITUDINALLY FORWARDLY THEREOF AT ONE SIDE OF SAID CUTTER; AND A SECOND GAUGE ATTACHED TO SAID SUPPORT AND EXTENDING IN A FORWARDLY AND DIVERGING DIRECTION FROM THE OPPOSITE SIDE OF SAID CUTTER, SAID GAUGES PROVIDING MEANS ENGAGEABLE WITH THE ADJACENT PART OF A TREE FROM WHICH EXTENDS THE BRANCH BEING CUT TO THEREBY POSITION SAID CUTTER LATERALLY RELATIVE TO THE TREE PART.
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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 |