US3396518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary power lawn mower
Assignee: Individual
•
Filing: 1965-04-21
•
Granted: 1968-08-13
•
Expires: 1985-04-21
Abstract
No abstract record available.
Inventors
- 👤 Earl B Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:46
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/001; A01D34/003; A01D2101/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A ROTARY MOWER COMPRISING A HOUSING, A MOTOR, MOTOR SHAFT AND A HORIZONTAL CUTTING BLADE SECURED TO SAID SHAFT AND WITHIN THE HOUSING AND A RESILIENT SCRAPER CARRIED BY SAID SHAFT, SAID SCRAPER HAVING A RING BEARING, THE AXIS OF WHICH IS OFFSET FROM THE AXIS OF SAID SHAFT, AND ENGAGEABLE BY AND ACTUATED IN AN ECCENTRIC CIRCULAR MOVEMENT BY A CAM BEARING SECURED TO SAID SHAFT AND INCLUDING MEANS FOR HOLDING SAID SCRAPER IN YIELDABLE AND MOVABLE CONTACT WITH SAID HOUSING.
Claim 2
Dependent Claim
82 words
A ROTARY MOWER COMPRISING A HOUSING, A MOTOR, MOTOR SHAFT AND A HORIZONTAL CUTTING BLADE SECURED TO SAID SHAFT AND WITHIN THE HOUSING AND A RESILIENT SCRAPER CARRIED BY SAID SHAFT, SAID SCRAPER HAVING A RING BEARING, THE AXIS OF WHICH IS OFFSET FROM THE AXIS OF SAID SHAFT, AND ENGAGEABLE BY AND ACTUATED IN AN ECCENTRIC CIRCULAR MOVEMENT BY A CAM BEARING SECURED TO SAID SHAFT AND INCLUDING MEANS FOR HOLDING SAID SCRAPER IN YIELDABLE AND MOVABLE CONTACT WITH SAID HOUSING.
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) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |