US3277524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for compacting ferrite particles
Assignee: RTX Corp
•
Filing: 1965-10-21
•
Granted: 1966-10-11
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Silver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:52
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/26; Y; Y10; Y10S; Y10S425/00; Y10S425/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
APPARATUS FOR COMPACTING FERRITE PARTICLES INCLUDING IN COMBINATION A DIES FOR RECEIVING A CHARGE OF PARTICLES TO BE COMPRESSED, A GRID OF POROUS MATERIAL IN SAID DIE, MEANS FOR SUPPLYING GAS UNDER PRESSURE TO SAID GRID TO FORM A FLUIDIZED BED OF PARTICLES DEPOSITED IN SAID DIE ON SAID GRID, MEANS FOR GENERATING A MAGNETIC FIELD PASSING THROUGH SAID FLUIDIZED BED AND MEANS FOR APPLYING PRESSURE TO THE PARTICLES IN SAID BED.
Claim 2
Dependent Claim
72 words
APPARATUS FOR COMPACTING FERRITE PARTICLES INCLUDING IN COMBINATION A DIES FOR RECEIVING A CHARGE OF PARTICLES TO BE COMPRESSED, A GRID OF POROUS MATERIAL IN SAID DIE, MEANS FOR SUPPLYING GAS UNDER PRESSURE TO SAID GRID TO FORM A FLUIDIZED BED OF PARTICLES DEPOSITED IN SAID DIE ON SAID GRID, MEANS FOR GENERATING A MAGNETIC FIELD PASSING THROUGH SAID FLUIDIZED BED AND MEANS FOR APPLYING PRESSURE TO THE PARTICLES IN SAID BED.
References Cited (Backward Citations)
US2188091A
Cited
US2348197A
Cited
US2384215A
Cited
US2573141A
Cited
US2600253A
Cited
US2989777A
Cited
US2959823A
Cited
US2984871A
Cited
US3183570A
Cited
US3187381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |