US3193402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory composition for repairing furnaces
Assignee: Basic Inc
•
Filing: 1961-12-21
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Granted: 1965-07-06
•
Expires: 1981-12-21
Abstract
No abstract record available.
Inventors
- 👤 Rusoff Samuel
- 👤 Vaughn V Hughey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:46
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A GUNNING MIX CONSISTING ESSENTIALLY OF SUBSTANTIALLY DEAD-BURNED BASIC REFRACTORY PARTICLES, AN ALKALI SILICATE BONDING AGENT EFFECTIVE CHEMICALLY TO REACT WITH SAID BASIC REFRACTORY PARTICLES AND BOND ONE TO ANOTHER, AND PARTICLES OF PITCH HAVING A SOFTENING POINT SUFFICIENTLY HIGH TO AVOID SOFTENING PRIOR TO APPLICATION OF THE MIX, SAID PITCH PARTICLE BEING SUSCEPTIBLE TO PYROLYTIC DECOMPOSITION TO FORM A CARBON BOND AT TEMPERATURES GENERALLY HIGHER THAN THAT AT WHICH SAID CHEMICAL BONDING AGENT REACTS WITH THE REFRACTORY PARTICLES.
Claim 2
Dependent Claim
79 words
A GUNNING MIX CONSISTING ESSENTIALLY OF SUBSTANTIALLY DEAD-BURNED BASIC REFRACTORY PARTICLES, AN ALKALI SILICATE BONDING AGENT EFFECTIVE CHEMICALLY TO REACT WITH SAID BASIC REFRACTORY PARTICLES AND BOND ONE TO ANOTHER, AND PARTICLES OF PITCH HAVING A SOFTENING POINT SUFFICIENTLY HIGH TO AVOID SOFTENING PRIOR TO APPLICATION OF THE MIX, SAID PITCH PARTICLE BEING SUSCEPTIBLE TO PYROLYTIC DECOMPOSITION TO FORM A CARBON BOND AT TEMPERATURES GENERALLY HIGHER THAN THAT AT WHICH SAID CHEMICAL BONDING AGENT REACTS WITH THE REFRACTORY PARTICLES.
References Cited (Backward Citations)
US3047411A
Cited
US2943240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |