US2525079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning preparation for removing
Assignee: —
•
Filing: —
•
Granted: 1950-10-10
•
Expires: 1967-10-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:53
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/02; C11D7/04; C11D7/10; C11D7/14; C11D3/00; C11D3/02; C11D3/04; C11D3/08; C09; C09D; C09D9/00; C11D3/044; C11D3/43; C11D7/06; C11D7/12; C11D7/16; C11D7/22; C11D7/26; C11D7/265
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
27 words
A COMPOSITION FOR REMOVING MULTIPLE COATINGS OF HEAT TREATED SILICONE RESINS FROM TIN-TIN OXIDE COVERED SURFACES, CONSISTING OF 45% SODIUM METASILICATE, 32% SODIUM CARBONATE, AND 23% BORAX.
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) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |