Patent US2383448A successfully refreshed from Google Patents.
Patent US2767543A successfully refreshed from Google Patents.
US2767543A
Expired / Lapsed
US
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Rotating cutting disc type mower
Assignee: Individual
•
Filing: 1953-05-13
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Granted: 1956-10-23
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Expires: 1973-05-13
Abstract
No abstract record available.
Inventors
- 👤 Fred H Ream
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:59
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D34/52; A01D34/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US17745A
Cited
US2282238A
Cited
US2341913A
Cited
US2484071A
Cited
US2539794A
Cited
US2590788A
Cited
US2526821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |