US2970362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating pile fabrics
Assignee: Union Carbide Corp
•
Filing: 1956-06-12
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Granted: 1961-02-07
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Expires: 1976-06-12
Abstract
No abstract record available.
Inventors
- 👤 William W Rankin
- 👤 Harry K Townsley
- 👤 Jr Theophilus A Feild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:48
CPC Classifications
D; D06; D06C; D06C29/00; D06C2700/00; D06C2700/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR999105A
Cited
US1889902A
Cited
US2035641A
Cited
US2629918A
Cited
US2737702A
Cited
US2705880A
Cited
US2785042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |