US2770843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Deering Milliken Research Corp
•
Filing: 1952-01-26
•
Granted: 1956-11-20
•
Expires: 1972-01-26
Abstract
No abstract record available.
Inventors
- 👤 Fred P Strother
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:31
CPC Classifications
D; D01; D01G; D01G23/00; D01G23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US631795A
Cited
US686971A
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GB163692A
Cited
US1858304A
Cited
US2058518A
Cited
FR702310A
Cited
DE575627C
Cited
US2141003A
Cited
US2221516A
Cited
US2466615A
Cited
US2642664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |