Patent US3307643A successfully refreshed from Google Patents.
US3307643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the removal of tree stumps
Assignee: Individual
•
Filing: 1963-06-24
•
Granted: 1967-03-07
•
Expires: 1983-06-24
Abstract
No abstract record available.
Inventors
- 👤 Ferri Romolo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:15
CPC Classifications
A; A01; A01G; A01G23/00; A01G23/02; A01G23/06; A01G23/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
AN APPARATUS FOR THE REMOVAL OF TREE STUMPS, COMPRISING, IN COMBINATION, ROTARY MEANS HAVING CIRCUMFERENTIALLY DISPOSED CUTTERS FOR CUTTING OFF THE ROOTS OF A STUMP OF A FELLED TREE AND FOR SEPARATING SAID STUMP FROM ADJACENT GROUND, MEANS CONNECTED WITH THE FIRST-MENTIONED MEANS FOR ROTATING THE FIRST-MENTIONED MEANS, MEANS CONNECTED WITH THE FIRST-MENTIONED MEANS FOR SWINGING THE FIRST-MENTIONED MEANS RELATIVELY TO THE STUMP BEING CUT, MEANS CONNECTED WITH THE FIRST-MENTIONED
Claim 2
Independent Claim
70 words
AN APPARATUS FOR THE REMOVAL OF TREE STUMPS, COMPRISING, IN COMBINATION, ROTARY MEANS HAVING CIRCUMFERENTIALLY DISPOSED CUTTERS FOR CUTTING OFF THE ROOTS OF A STUMP OF A FELLED TREE AND FOR SEPARATING SAID STUMP FROM ADJACENT GROUND, MEANS CONNECTED WITH THE FIRST-MENTIONED MEANS FOR ROTATING THE FIRST-MENTIONED MEANS, MEANS CONNECTED WITH THE FIRST-MENTIONED MEANS FOR SWINGING THE FIRST-MENTIONED MEANS RELATIVELY TO THE STUMP BEING CUT, MEANS CONNECTED WITH THE FIRST-MENTIONED
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |