Patent US3563015A successfully refreshed from Google Patents.
US3563015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary lawnmower cutter bar
Assignee: Individual
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Filing: 1968-05-21
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Granted: 1971-02-16
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Expires: 1988-05-21
Abstract
Abstract A CUTTER BAG FOR POWER DRIVEN ROTARY BLADE-TYPE MOWERS HAVING DETACHABLE CUTTER BLADES WHICH ARE SLIDEABLE MOUNTED IN SPACED APART CHANNELS ON THE ENDS OF THE CUTTER BAR AND INCLUDES STOPS EXTENDING LATERALLY OF THE CUTTER BAR AND CUTTER BLADES TO PREVENT THE LONGITUDINAL MOVEMENT OF THE CUTTER BLADES OUTWARDLY OF THE CUTTER BAR.
Inventors
- 👤 Charlie C Renfroe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:09
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/73; A01D34/733
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |