US3066622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined sowing machine for individual grain seed and thinning-out machine
Assignee: Individual
•
Filing: 1960-04-19
•
Granted: 1962-12-04
•
Expires: 1980-04-19
Abstract
No abstract record available.
Inventors
- 👤 Schurmann Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:21
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE501337A
Cited
US150771A
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US1474599A
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US1878960A
Cited
US2510658A
Cited
US2579988A
Cited
FR1078779A
Cited
AT181109B
Cited
FR1140658A
Cited
AT196649B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |