Patent US3026167A successfully refreshed from Google Patents.
US3026167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous treatment of individual stretchable threads, for example artificial silk threads
Assignee: Bayer AG
•
Filing: 1954-12-22
•
Granted: 1962-03-20
•
Expires: 1974-12-22
Abstract
No abstract record available.
Inventors
- 👤 Hofmann Rudolf
- 👤 Hager Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:33
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D10/0445
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1867210A
Cited
US2156923A
Cited
US2213659A
Cited
US2173998A
Cited
US2321635A
Cited
US2513057A
Cited
US2590407A
Cited
US2727378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |