US3434978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shielding composition of cementitious material mixed with a metallic saturated fatty acid compound
Assignee: Individual
•
Filing: 1966-11-25
•
Granted: 1969-03-25
•
Expires: 1986-11-25
Abstract
No abstract record available.
Inventors
- 👤 Reinhard Ernst Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:12
CPC Classifications
C; C04; C04B; C04B28/00; C04B24/00; C04B24/08; C04B24/085; C04B28/02; G; G21; G21F; G21F1/00; G21F1/02; G21F1/10; G21F1/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2441945A
Cited
US2403794A
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US2726339A
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US3002843A
Cited
US3239472A
Cited
US3122513A
Cited
US3006777A
Cited
US3238148A
Cited
US3207705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |