Patent EP0117519A1 successfully refreshed from Google Patents.
US2298986A
Expired / Lapsed
US
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Cushioning material of spongelike or cellular rubber
Assignee: Dunlop Rubber Co Ltd
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Filing: 1941-01-28
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Granted: 1942-10-13
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Expires: 1961-01-28
Abstract
No abstract record available.
Inventors
- 👤 Taylor Stanley Douglas
- 👤 Madge Evelyn William
- 👤 Murphy Edward Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:23
CPC Classifications
B; B68; B68G; B68G11/00; B68G11/02; B68G11/04; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/24521; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-10-12 | 1946-04-13 | 1946-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-10-12 | 1950-04-13 | 1950-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-10-12 | 1954-04-13 | 1954-10-13 | $7700.00 | Window Closed / Lapsed |