Patent DE15505C successfully refreshed from Google Patents.
Patent US1313173A successfully refreshed from Google Patents.
Patent US3817769A successfully refreshed from Google Patents.
US3817769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polysiloxane coating composition
Assignee: Individual
•
Filing: 1971-09-14
•
Granted: 1974-06-18
•
Expires: 1991-09-14
Abstract
Abstract NOVEL POLYSILOXANE COM COATING NON-ROROUS SUBSTRATES COMPRISING AN ALKANOLIC MEDIUM, A SMALL AMOUNT OF A POLYSILOXANE RESIN AND A SURFACE HARDENER. THE SURFACE HARDENERS ARE EITHER PHENOTHIAZINE DYES OR A MILD ABRASIVE, EITHER SEPARATELY OR IN COMBINATION.
Inventors
- 👤 L Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:07
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/6436; C; C08; C08K; C08K5/00; C08K5/36; C08K5/45; C08K5/46; C09; C09B; C09B17/00; C09B17/02; C09B19/00; C09B21/00; C09B67/00; C09B67/0071; C09B67/0075
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |