Patent US3786350A successfully refreshed from Google Patents.
Patent US2517261A successfully refreshed from Google Patents.
US2517261A
Expired / Lapsed
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Molded product
Assignee: Individual
•
Filing: 1949-10-08
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Granted: 1950-08-01
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Expires: 1969-10-08
Abstract
No abstract record available.
Inventors
- 👤 Isaac E Veitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:03
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26; B; B27; B27N; B27N1/00; B27N1/006; B27N1/02; B27N1/0209; B29; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/25; B29C48/36; B29C48/395; C04B20/00; C04B20/10; C04B20/1018; C04B20/1029; C04B20/1037; C08; C08L; C08L97/00; C08L97/02; C04B2103/00; C04B2103/0045; C04B2103/0053; C08L61/00; C08L61/20; C08L61/22; C08L61/24; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
45 words
A BINDING AGENT FOR MOLDING WALL BOARD AND THE LIKE COMPRISING AS ITS PRINCIPAL INGREDIENT WATER SOLUTION OF AN ALKALI METAL SILICTE HAVING FROM 0.3 TO 4.0 PER CENT BY WEIGHT OF THE BINDING AGENT CONSISTING OF A COLD SETTING FORMALDEHYDEUREA CONDENSATION PRODUCT INCORPORATED THEREIN.
References Cited (Backward Citations)
US2385438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-31 | 1954-01-30 | 1954-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-31 | 1958-01-30 | 1958-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-31 | 1962-01-30 | 1962-08-01 | $7700.00 | Window Closed / Lapsed |