Patent US3044523A successfully refreshed from Google Patents.
US3044523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic tires
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1959-09-01
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Granted: 1962-07-17
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Expires: 1979-09-01
Abstract
No abstract record available.
Inventors
- 👤 Drakeford George Edward
- 👤 Smith Francis Edmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:56
CPC Classifications
B; B60; B60C; B60C15/00; B60C15/06; B29; B29D; B29D30/00; B29D30/06; B29D30/48; B60C15/0603; B60C15/0607; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10819; Y10T152/10828; Y10T152/10837
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |