US3502525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for manufacturing rubberized textile fabric
Assignee: Dunlop Co Ltd
•
Filing: 1966-07-13
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Granted: 1970-03-24
•
Expires: 1986-07-13
Abstract
No abstract record available.
Inventors
- 👤 John Oswald Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:06
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/38; B29D30/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2517889A
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US3070478A
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US3144374A
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US3434897A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |