Patent US4301053A successfully refreshed from Google Patents.
US3091906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power lawn mower
Assignee: Individual
•
Filing: 1962-04-30
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Granted: 1963-06-04
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Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Russell V Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:27
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/001; A01D34/003; A01D2101/00; Y; Y10; Y10S; Y10S56/00; Y10S56/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A POWER MOWER: A HOUSING INCLUDING A DEPENDING SKIRT PORTION; A PARTITION WITHIN SAID HOUSING PROVIDING UPPER AND LOWER CHAMBERS THEREIN; SAID PARTITION BEING DISPOSED BETWEEN THE TOP AND BOTTOM OF SAID SKIRT PORTION; ROTARY DRIVER MEANS CARRIED BY SAID HOUSING; SAID DRIVER MEANS HAVING A ROTARY OUTPUT SHAFT, ROTARY CUTTING MEANS CONNECTED TO SAID OUTPUT SHAFT AND DISPOSED IN SAID LOWER CHAMBER; ROTARY IMPELLER MEANS CONNECTED TO SAID OUTPUT SHAFT AND DISPOSED IN SAID UPPER CHAMBER; SAID PARTITION HAVING A PLURALITY OF OPENINGS COMMUNICATING SAID CHAMBERS.
Claim 2
Dependent Claim
88 words
IN A POWER MOWER: A HOUSING INCLUDING A DEPENDING SKIRT PORTION; A PARTITION WITHIN SAID HOUSING PROVIDING UPPER AND LOWER CHAMBERS THEREIN; SAID PARTITION BEING DISPOSED BETWEEN THE TOP AND BOTTOM OF SAID SKIRT PORTION; ROTARY DRIVER MEANS CARRIED BY SAID HOUSING; SAID DRIVER MEANS HAVING A ROTARY OUTPUT SHAFT, ROTARY CUTTING MEANS CONNECTED TO SAID OUTPUT SHAFT AND DISPOSED IN SAID LOWER CHAMBER; ROTARY IMPELLER MEANS CONNECTED TO SAID OUTPUT SHAFT AND DISPOSED IN SAID UPPER CHAMBER; SAID PARTITION HAVING A PLURALITY OF OPENINGS COMMUNICATING SAID CHAMBERS.
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |