Patent US2500282A successfully refreshed from Google Patents.
US2500282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous products and process for making them
Assignee: Akzo Nobel UK PLC
•
Filing: 1944-06-08
•
Granted: 1950-03-14
•
Expires: 1964-06-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Carleton S Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:51
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/58; B65H29/60; D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D04H13/00; Y; Y10; Y10T; Y10T442/00; Y10T442/50; Y10T442/56; Y10T442/60; Y10T442/659; Y10T442/671; Y10T442/69
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2252999A
Cited
US2253000A
Cited
GB510942A
Cited
US2277049A
Cited
US2318959A
Cited
US2358760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |