Patent US4072616A successfully refreshed from Google Patents.
Patent US2814924A successfully refreshed from Google Patents.
US2814924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary disc type grass cutter
Assignee: S J WEGMAN Co
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Filing: 1957-01-03
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Granted: 1957-12-03
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Expires: 1977-01-03
Abstract
No abstract record available.
Inventors
- 👤 Group Seymour
- 👤 Edwin H Wegman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:00
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/835; A01D34/84; A01D34/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1871606A
Cited
US2062820A
Cited
US2519779A
Cited
US2702978A
Cited
US2673396A
Cited
US2645010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |