US2748686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Row marker implement
Assignee: Ferguson Harry Inc
•
Filing: 1950-09-09
•
Granted: 1956-06-05
•
Expires: 1970-09-09
Abstract
No abstract record available.
Inventors
- 👤 Noral A Nelson
- 👤 Landenberger Ulric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:11
CPC Classifications
A; A01; A01B; A01B69/00; A01B69/02; A01B69/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1911218A
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US2063852A
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US2178124A
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US2175282A
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US2371037A
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GB624707A
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US2604027A
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US2502067A
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US2656801A
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US2529809A
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US2585992A
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US2534761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |