US3542504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biocidal textile finishing
Assignee: CALICO PRINTERS ASS Ltd
•
Filing: 1966-11-07
•
Granted: 1970-11-24
•
Expires: 1986-11-07
Abstract
No abstract record available.
Inventors
- 👤 Arthur Schofield
- 👤 John B Lawton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:09
CPC Classifications
D; D06; D06M; D06M16/00; D06M11/00; D06M11/07; D06M11/11; D06M11/155; D06M11/58; D06M11/64; D06M11/65; D06M11/68; D06M11/72; D06M11/83; H; H03; H03K; H03K17/00; H03K17/51; H03K17/78; H03K5/00; H03K5/01; H03K5/04; H03K5/13; H04; H04Q; H04Q1/00; H04Q1/18; H04Q1/30; H04Q1/32; H04Q1/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2448153A
Cited
US2524783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |