US3299622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary disc mower with separate frame and blade housing structure
Assignee: YARD MAN Inc
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Filing: 1965-09-03
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Granted: 1967-01-24
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Rudolph A Hanson
- 👤 Frank J Deptula
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:11
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D2101/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A ROTARY LAWN MOWER COMPRISING, IN COMBINATION, (A) A FRAME HAVING A FRONT, A REAR AND INCLUDING A DECK, (B) GROUND WHEELS ROTATABLY MOUNTED UPON SAID FRAME FOR THE SUPPORT THEREOF, (C) A MOTOR MOUNTED UPON SAID FRAME, (D) A BLADE-SUPPORTING SHAFT ROTATABLY MOUNTED ON SAID FRAME HAVING A LOWER END EXTENDING BELOW SAID DECK, (E) A CUTTING BLADE MOUNTED ON SAID SHAFT LOWER END, (F) A BLADE HOUSING AFFIXED TO SAID FRAME AND LOCATED BELOW SAID DECK, SAID BLADE HOUSING INCLUDING AN UPPER WALL AND A DOWNWARDLY EXTENDING WALL DEPENDING FROM SAID UPPER WALL TERMINATING IN A LOWER EDGE, SAID UPPER WALL PROJECTING OVER THE AREA OF BLADE MOVEMENT AND SAID DOWNWARDLY EXTENDING WALL SUBSTANTIALLY ENCOMPASSING SAID BLADE IN THE PLANE OF BLADE ROTATION, (G) AN AIR-GUIDING CHANNEL DEFINED IN SAID BLADE HOUSING UPPER WALL, AND (H) A DISCHARGE OPENING DEFINED IN SAID BLADE HOUSING COMMUNICATING WITH SAID AIR-GUIDING CHANNEL.
Claim 2
Dependent Claim
151 words
A ROTARY LAWN MOWER COMPRISING, IN COMBINATION, (A) A FRAME HAVING A FRONT, A REAR AND INCLUDING A DECK, (B) GROUND WHEELS ROTATABLY MOUNTED UPON SAID FRAME FOR THE SUPPORT THEREOF, (C) A MOTOR MOUNTED UPON SAID FRAME, (D) A BLADE-SUPPORTING SHAFT ROTATABLY MOUNTED ON SAID FRAME HAVING A LOWER END EXTENDING BELOW SAID DECK, (E) A CUTTING BLADE MOUNTED ON SAID SHAFT LOWER END, (F) A BLADE HOUSING AFFIXED TO SAID FRAME AND LOCATED BELOW SAID DECK, SAID BLADE HOUSING INCLUDING AN UPPER WALL AND A DOWNWARDLY EXTENDING WALL DEPENDING FROM SAID UPPER WALL TERMINATING IN A LOWER EDGE, SAID UPPER WALL PROJECTING OVER THE AREA OF BLADE MOVEMENT AND SAID DOWNWARDLY EXTENDING WALL SUBSTANTIALLY ENCOMPASSING SAID BLADE IN THE PLANE OF BLADE ROTATION, (G) AN AIR-GUIDING CHANNEL DEFINED IN SAID BLADE HOUSING UPPER WALL, AND (H) A DISCHARGE OPENING DEFINED IN SAID BLADE HOUSING COMMUNICATING WITH SAID AIR-GUIDING CHANNEL.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |