Patent US3516233A successfully refreshed from Google Patents.
US3516233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightweight rideable green mower
Assignee: WILLIAM L JOHNSON JR
•
Filing: 1969-05-07
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Granted: 1970-06-23
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Expires: 1989-05-07
Abstract
No abstract record available.
Inventors
- 👤 Fay O Johnson
- 👤 William L Johnson Sr
- 👤 William L Johnson Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:36
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D34/43; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320151A
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US1320098A
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US3097465A
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US2099902A
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US1994929A
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US2996867A
Cited
US3410063A
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US3429110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |