US3551372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition and process for covering,coating and filling cavities or depressions
Assignee: Evonik Operations GmbH
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Filing: 1967-12-20
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Granted: 1970-12-29
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Expires: 1987-12-20
Abstract
No abstract record available.
Inventors
- 👤 Erich Bader
- 👤 Hubert Koert
- 👤 Gerd Brod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:17
CPC Classifications
C; C09; C09D; C09D4/00; C09D4/06; C04; C04B; C04B41/00; C04B41/45; C04B41/46; C04B41/48; C04B41/483; C08; C08F; C08F259/00; C08F259/02; C08F259/04; C09D151/00; C09J; C09J4/00; C09J4/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |