Patent US4477132A successfully refreshed from Google Patents.
US2983057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blower head attachment for a rotary lawn mower
Assignee: Individual
•
Filing: 1958-07-07
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Granted: 1961-05-09
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Expires: 1978-07-07
Abstract
No abstract record available.
Inventors
- 👤 Albert H Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:45
CPC Classifications
A; A01; A01D; A01D42/00; A01D42/06; A01D42/08; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1095097A
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US2471367A
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US2437116A
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US2752699A
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US2706441A
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US2777270A
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US2806339A
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US2797502A
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US2863162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |