Patent US3540122A successfully refreshed from Google Patents.
US3540122A
Expired / Lapsed
US
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Hedge trimmer and leveling system for same
Assignee: GW Murphy Industries Inc
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Filing: 1967-10-30
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Granted: 1970-11-17
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Expires: 1987-10-30
Abstract
No abstract record available.
Inventors
- 👤 Alex S Bogdan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:34
CPC Classifications
A; A01; A01G; A01G3/00; A01G3/04; A01G3/047; A01G3/053
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1292969A
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US1884469A
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US2212430A
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US2323188A
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US2541366A
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US2655733A
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US2919922A
Cited
US3052036A
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US3431647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |