Patent US3327460A successfully refreshed from Google Patents.
US3327460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blade assembly for a rotary mower
Assignee: Individual
•
Filing: 1964-09-30
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Granted: 1967-06-27
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Expires: 1984-09-30
Abstract
No abstract record available.
Inventors
- 👤 Arnold S Blackstone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:18
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/73
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A MOWER CUTTING BLADE ASSEMBLY FOR A ROTARY MOWER COMPRISING AN ELONGATE CUTTING BAR HAVING PARALLEL, STRAIGHT, LONGITUDINAL EDGES, SAID CUTTER BAR HAVING MEANS FOR MAKING A CONNECTION WITH A DRIVE SHAFT OF AN ENGINE OF THE MOWER, SAID CUTTER BAR HAVING FASTENER OPENINGS AT THE ENDS THEREOF. A PAIR OF CUTTING BLADES, EACH HAVING A PLANAR PORTION AND A STRAIGHT CUTTING EDGE THEREALONG, EACH OF SAID CUTTING BLADES ALSO HAVING AT LEAST TWO SPACED OPENINGS TO RECEIVE FASTENERS, SAID BLADES HAVING SURFACES LYING PERPENDICULAR TO THE PLANES OF SAID CUTTING BLADES AND SAID BAR HAVING SURFACES LYING PERPENDICULAR TO THE PLANE OF SAID CUTTER BAR AND ABUTTING SAID BLADE SURFACES, WHEREBY IMPACT ON SAID BLADES IS TRANSMITTED DIRECTLY TO SAID BAR THROUGH SAID SURFACES, SAID SURFACES BEING IN CONTACT FOR THE FULL LENGTH OF SAID BLADES, AND FASTENERS EXTENDING THROUGH THE OPENINGS IN SAID BLADES AND SAID BAR AND ATTACHING SAID BLADES TO SAID BAR WITH SAID SURFACES IN CONTACT.
Claim 2
Dependent Claim
161 words
A MOWER CUTTING BLADE ASSEMBLY FOR A ROTARY MOWER COMPRISING AN ELONGATE CUTTING BAR HAVING PARALLEL, STRAIGHT, LONGITUDINAL EDGES, SAID CUTTER BAR HAVING MEANS FOR MAKING A CONNECTION WITH A DRIVE SHAFT OF AN ENGINE OF THE MOWER, SAID CUTTER BAR HAVING FASTENER OPENINGS AT THE ENDS THEREOF. A PAIR OF CUTTING BLADES, EACH HAVING A PLANAR PORTION AND A STRAIGHT CUTTING EDGE THEREALONG, EACH OF SAID CUTTING BLADES ALSO HAVING AT LEAST TWO SPACED OPENINGS TO RECEIVE FASTENERS, SAID BLADES HAVING SURFACES LYING PERPENDICULAR TO THE PLANES OF SAID CUTTING BLADES AND SAID BAR HAVING SURFACES LYING PERPENDICULAR TO THE PLANE OF SAID CUTTER BAR AND ABUTTING SAID BLADE SURFACES, WHEREBY IMPACT ON SAID BLADES IS TRANSMITTED DIRECTLY TO SAID BAR THROUGH SAID SURFACES, SAID SURFACES BEING IN CONTACT FOR THE FULL LENGTH OF SAID BLADES, AND FASTENERS EXTENDING THROUGH THE OPENINGS IN SAID BLADES AND SAID BAR AND ATTACHING SAID BLADES TO SAID BAR WITH SAID SURFACES IN CONTACT.
References Cited (Backward Citations)
US2932147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |