Patent US3321026A successfully refreshed from Google Patents.
US3321026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn renovator
Assignee: Individual
•
Filing: 1964-12-07
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Granted: 1967-05-23
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Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 Albert L Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:40
CPC Classifications
A; A01; A01B; A01B45/00; A01B45/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A LAWN RENOVATOR COMPRISING: (A) AN ELONGATED ROTARY BLADE HORIZONTALLY DISPOSED AND ROTATABLE AROUND A VERTICAL AXIS AT THE MIDDLE THEREOF, (B) A DOWNWARDLY AND OUTWARDLY ANGLED CUTTER EXTENSION ON EACH END OF THE BLADE AND PROVIDED WITH A RENOVATOR EDGE, (C) A HORIZONTAL HINGE CONNECTING EACH CUTTER EXTENSION TO ITS RESPECTIVE BLADE END, (D) SAID EDGE BEING ON ONE SIDE OF SAID HINGE, AND (E) A COUNTERWEIGHT MOUNTED ON SAID CUTTER EXTENSION ON THE OPPOSITE SIDE OF THE HINGE.
Claim 2
Dependent Claim
80 words
A LAWN RENOVATOR COMPRISING: (A) AN ELONGATED ROTARY BLADE HORIZONTALLY DISPOSED AND ROTATABLE AROUND A VERTICAL AXIS AT THE MIDDLE THEREOF, (B) A DOWNWARDLY AND OUTWARDLY ANGLED CUTTER EXTENSION ON EACH END OF THE BLADE AND PROVIDED WITH A RENOVATOR EDGE, (C) A HORIZONTAL HINGE CONNECTING EACH CUTTER EXTENSION TO ITS RESPECTIVE BLADE END, (D) SAID EDGE BEING ON ONE SIDE OF SAID HINGE, AND (E) A COUNTERWEIGHT MOUNTED ON SAID CUTTER EXTENSION ON THE OPPOSITE SIDE OF THE HINGE.
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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |