US3535197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency electric welded reticulated foam composite
Assignee: Dunlop Co Ltd
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Filing: 1968-04-10
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Granted: 1970-10-20
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Expires: 1988-04-10
Abstract
No abstract record available.
Inventors
- 👤 John Fishbein
- 👤 Raymond W H Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:16
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/45; B29C65/00; B29C65/02; B29C65/04; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/70; B29C66/72; B29C66/727; B29C66/73; B29C66/739; B29C66/7392; B29C66/7394; B32; B32B; B32B27/00; B29C66/71; B29K; B29K2105/00; B29K2105/04; B29L; B29L2009/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249987; Y10T428/249991; Y10T428/249992; Y10T428/31504; Y10T428/31855; Y10T428/31935
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) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |