Patent US2804130A successfully refreshed from Google Patents.
US2804130A
Expired / Lapsed
US
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Elastomer products
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1954-05-13
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Granted: 1957-08-27
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Expires: 1974-05-13
Abstract
No abstract record available.
Inventors
- 👤 Dunn Richard Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:05
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/14; A47C27/15; A47C27/142; A47C27/144
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB392550A
Cited
US2180304A
Cited
US2364036A
Cited
US2499965A
Cited
US2604663A
Cited
FR1035319A
Cited
GB683754A
Cited
US2674752A
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 |