US3053694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abradable material
Assignee: General Electric Co
•
Filing: 1961-02-20
•
Granted: 1962-09-11
•
Expires: 1981-02-20
Abstract
No abstract record available.
Inventors
- 👤 John E Daunt
- 👤 Max F Grandey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:52
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/08; F01D11/12; F01D11/122; F05; F05D; F05D2300/00; F05D2300/60; F05D2300/612; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49318; Y10T29/49336
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
AN ABRADABLE MATERIAL CAPABLE OF USE IN ELEVATED TEMPERATURE OPERATING APPARATUS CONSISTING OF A HEAT CURED MIXTURE CONSISTING ESSENTIALLY OF, BY WEIGHT, 3-27% BORON NITRIDE, 42-53% AQUEOUS SODIUM SILICATE SOLUTION (40-42* BAUME), AND 3-35% OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF MICA AND VERMICULITE.
Claim 2
Dependent Claim
48 words
AN ABRADABLE MATERIAL CAPABLE OF USE IN ELEVATED TEMPERATURE OPERATING APPARATUS CONSISTING OF A HEAT CURED MIXTURE CONSISTING ESSENTIALLY OF, BY WEIGHT, 3-27% BORON NITRIDE, 42-53% AQUEOUS SODIUM SILICATE SOLUTION (40-42* BAUME), AND 3-35% OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF MICA AND VERMICULITE.
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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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |