Patent US2341891A successfully refreshed from Google Patents.
US3137927A
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Dispersion hardened materials
Assignee: Honeywell Inc
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Filing: 1960-07-13
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Granted: 1964-06-23
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Expires: 1980-07-13
Abstract
No abstract record available.
Inventors
- 👤 Francis J Huegel
- 👤 Choh H Li
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:35
CPC Classifications
C; C22; C22C; C22C29/00; C22C29/12; Y; Y10; Y10S; Y10S75/00; Y10S75/95; Y10S75/951
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A CURRENT BODY CONSISTING ESSENTIALLY OF A METALLIC MATRIX CONTAINING DISPERSED, ESSENTIALLY SPHERICAL, REFRACTORY OXIDE PARTICLES; SAID PARTICLES RANGING IN SIZE FROM GREATER THAN 1 MIRCON UP TO ABOUT 50 MICRONS IN DIAMETER AND OCCUPYING FROM GREATER THAN 50 TO ABOUT 95 VOLUME PERCENT OF SAID BODY.
Claim 2
Dependent Claim
47 words
A CURRENT BODY CONSISTING ESSENTIALLY OF A METALLIC MATRIX CONTAINING DISPERSED, ESSENTIALLY SPHERICAL, REFRACTORY OXIDE PARTICLES; SAID PARTICLES RANGING IN SIZE FROM GREATER THAN 1 MIRCON UP TO ABOUT 50 MICRONS IN DIAMETER AND OCCUPYING FROM GREATER THAN 50 TO ABOUT 95 VOLUME PERCENT OF SAID BODY.
References Cited (Backward Citations)
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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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |