US3129497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beryllium metal products
Assignee: Honeywell Inc
•
Filing: 1960-05-12
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Granted: 1964-04-21
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Expires: 1980-05-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Johnston
- 👤 Li Choh Hsien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:21
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/001; C22C32/0015; C22C32/0036; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12486
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A BERYLLIUM METAL PRODUCT COMPRISING A FINE GRAINED BERYLLIUM METAL AND FROM ABOUT 2% UP TO ABOUT 8% BY VOLUME OF SAID BERYLLIUM METAL OF INSOLUBLE, NON-REACTIVE TO BERYLLIUM AT ITS SINTERING TEMPERATURE SUBSTANTIALLY SPHEROIDIZED REFRACTORY PARTICLES, SAID PARTICLES BEING LESS THAN 10 MICRONS IN DIAMETER, SAID PRODUCT CHARACTERIZED IN POSSESSING GREATER STRENGTH, DUCTILITY, AND MACHINEABILITY THAN BERYLLIUM METAL OF SUBSTANTIALLY THE SAME CHEMICAL COMPOSITION.
Claim 2
Dependent Claim
65 words
A BERYLLIUM METAL PRODUCT COMPRISING A FINE GRAINED BERYLLIUM METAL AND FROM ABOUT 2% UP TO ABOUT 8% BY VOLUME OF SAID BERYLLIUM METAL OF INSOLUBLE, NON-REACTIVE TO BERYLLIUM AT ITS SINTERING TEMPERATURE SUBSTANTIALLY SPHEROIDIZED REFRACTORY PARTICLES, SAID PARTICLES BEING LESS THAN 10 MICRONS IN DIAMETER, SAID PRODUCT CHARACTERIZED IN POSSESSING GREATER STRENGTH, DUCTILITY, AND MACHINEABILITY THAN BERYLLIUM METAL OF SUBSTANTIALLY THE SAME CHEMICAL COMPOSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |