US3537882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicic hydrocarbon composites
Assignee: EIDP Inc
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Filing: 1967-08-31
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Granted: 1970-11-03
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Expires: 1987-08-31
Abstract
No abstract record available.
Inventors
- 👤 John Bentley Wiggill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:41
CPC Classifications
C; C08; C08K; C08K9/00; C08K9/04; C08K9/06; B; B32; B32B; B32B27/00; C03; C03C; C03C17/00; C03C17/28; C03C17/30; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C08F; C08F8/00; C08F8/42; C08K9/08; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/2962; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612
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) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |