US2267718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile treating process
Assignee: EIDP Inc
•
Filing: 1939-03-29
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Granted: 1941-12-30
•
Expires: 1959-03-29
Abstract
No abstract record available.
Inventors
- 👤 Donald J Campbell
- 👤 Fennell Francis Le Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:43
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/80; D06M11/82; C; C10; C10B; C10B21/00; C10B21/10; C10B21/14; C10B5/00; C10B5/10; C10B5/12; D06B; D06B17/00; D06B17/02; D06L; D06L1/00; D06L1/12; D06L1/18; D06M11/01; D06M11/05; D06B3/00; D06B3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-12-29 | 1945-06-30 | 1945-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-29 | 1949-06-30 | 1949-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-29 | 1953-06-30 | 1953-12-30 | $7700.00 | Window Closed / Lapsed |