Patent US3388540A successfully refreshed from Google Patents.
US3388540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary lawn mower cutting apparatus
Assignee: ERNEST DENNIS MICHAUD
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Filing: 1965-10-18
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Granted: 1968-06-18
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Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Michaud Ernest Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:34
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/73
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A ROTARY LAWN MOWER CUTTING APPARATUS HAVING A ROTARY SHAFT, THAT IMPROVEMENT THEREIN COMPRISING AN ELONGATED CUTTER BAR HAVING TWO BLADE RECEIVING END PORTIONS, EACH END PORTION PROVIDED WITH AN OPENING, SAID ELONGATED CUTTER BAR HAVING A LONGITUDINAL AXIS, EACH OPENING BEING PARALLEL TO SAID LONGITUDINAL AXIS, MEANS MOUNTING SAID CUTTER BAR TO SAID ROTARY SHAFT, TWO DETACHABLE GRASS CUTTING BLADES, EACH BLADE CONSISTING OF A HORIZONTALLY PROJECTING BODY MEMBER HAVING ONE END FOLDED UPON ITSELF
Claim 2
Dependent Claim
76 words
A ROTARY LAWN MOWER CUTTING APPARATUS HAVING A ROTARY SHAFT, THAT IMPROVEMENT THEREIN COMPRISING AN ELONGATED CUTTER BAR HAVING TWO BLADE RECEIVING END PORTIONS, EACH END PORTION PROVIDED WITH AN OPENING, SAID ELONGATED CUTTER BAR HAVING A LONGITUDINAL AXIS, EACH OPENING BEING PARALLEL TO SAID LONGITUDINAL AXIS, MEANS MOUNTING SAID CUTTER BAR TO SAID ROTARY SHAFT, TWO DETACHABLE GRASS CUTTING BLADES, EACH BLADE CONSISTING OF A HORIZONTALLY PROJECTING BODY MEMBER HAVING ONE END FOLDED UPON ITSELF
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) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |