US2957512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing elastic composite sheet material
Assignee: Akzo Nobel UK PLC
•
Filing: 1953-12-24
•
Granted: 1960-10-25
•
Expires: 1973-12-24
Abstract
No abstract record available.
Inventors
- 👤 Wade Worth
- 👤 Jr Ralph M Winters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:52
CPC Classifications
B; B32; B32B; B32B27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2031703A
Cited
FR804987A
Cited
US2059747A
Cited
US2405521A
Cited
US2464301A
Cited
US2543101A
Cited
US2476282A
Cited
US2723934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |