Patent US3016958A successfully refreshed from Google Patents.
US3016958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Harrows
Assignee: Deere and Co
•
Filing: 1958-06-30
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Granted: 1962-01-16
•
Expires: 1978-06-30
Abstract
No abstract record available.
Inventors
- 👤 William E Knapp
- 👤 William V Lohrman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:57
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/02; A01B19/00; A01B19/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US242094A
Cited
US1128283A
Cited
US1784613A
Cited
FR706156A
Cited
US2129827A
Cited
US2524937A
Cited
US2688909A
Cited
US2737005A
Cited
US2826027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |