US3486917A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating cement compositions
Assignee: CONTINENTAL CAPITAL CONTROL CE
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Filing: 1965-12-16
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Granted: 1969-12-30
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Expires: 1985-12-16
Abstract
No abstract record available.
Inventors
- 👤 Charles Edward Wallis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:36
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/40; C04B24/42; C04B24/425; C04B14/00; C04B14/02; C04B14/30; C04B28/00; C04B28/02; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
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) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |