US2803851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinneret assembly
Assignee: Akzo Nobel UK PLC
•
Filing: 1953-03-13
•
Granted: 1957-08-27
•
Expires: 1973-03-13
Abstract
No abstract record available.
Inventors
- 👤 Richard H Braunlich
- 👤 Harry N Ghenn
- 👤 Robert C Messmer
- 👤 Ray A Randolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:35
CPC Classifications
D; D01; D01D; D01D4/00; Y; Y10; Y10S; Y10S425/00; Y10S425/055
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2078509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |