US2580708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition therefor
Assignee: —
•
Filing: —
•
Granted: 1952-01-01
•
Expires: 1969-01-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:13
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; B; B24; B24D; B24D18/00; B24D18/0009; B24D3/00; B24D3/02; B24D3/04; B24D3/14; B24D3/18; B24D3/20; B24D3/28; C04B33/1305; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/634
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
A COMPOSITION FOR MOLDING CERAMIC BONDED ARTICLES COMPRISING A DISTRIBUTABLE MASS OF PRESSURE-MOLDABLE GRANULES IN WHICH EACH OF A MAJORITY OF THE INDIVIDUAL GRANULES COMPRISES A NONPLASTIC, INORGANIC GRANULAR NUCLEUS LARGELY SURROUNDED BY PARTICLES OF PULVERIZED CERAMIC BONDING MATERIAL ATTACHED TO THE NUCLEUS BY AN ORGANIC TEMPORARY BINDER CONSISTING OF A RESINOUS ROSIN DERIVATIVE, A COUMARONE-INDENE RESIN, AND A PINE OIL SOLVENT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |