Patent US2994176A successfully refreshed from Google Patents.
US2994176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mower cutter bar and knife assembly
Assignee: Individual
•
Filing: 1959-07-15
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Granted: 1961-08-01
•
Expires: 1979-07-15
Abstract
No abstract record available.
Inventors
- 👤 Clark E Stroburg
- 👤 Hubert H Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:44
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/02; A01D34/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL25895C
Cited
US27323A
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US78460A
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US146804A
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US219251A
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US273994A
Cited
US448567A
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US2095608A
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US2138305A
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US2217741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |