US3536655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane compositions useful on masonry surfaces
Assignee: Midland Silicones Ltd
•
Filing: 1968-04-08
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Granted: 1970-10-27
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Expires: 1988-04-08
Abstract
No abstract record available.
Inventors
- 👤 Peter M Burrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:02
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/46; C04B41/49; C04B41/4905; C04B41/495; C04B41/4961; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/54; C08K5/56; C08K5/57; C08L; C08L83/00; C08L83/02; C08L83/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2927909A
Cited
US3028347A
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US2706723A
Cited
US2902407A
Cited
US3186963A
Cited
US3372052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |