US3240203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of delaminating mica crystals with sonic vibration
Assignee: Individual
•
Filing: 1963-06-13
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Granted: 1966-03-15
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Expires: 1983-06-13
Abstract
No abstract record available.
Inventors
- 👤 Charles H Dye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:12
CPC Classifications
C; C04; C04B; C04B14/00; C04B14/02; C04B14/04; C04B14/20; C04B14/206; C04B14/208; B; B28; B28D; B28D1/00; B28D1/32; B28D1/322; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49815
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A PROCESS FOR DELAMINATING MICA COMPRISING PLACING THE MICA IN A LIQUID MEDIUM CONTAINING NON-MICA SOLID PARTICLES, SUSPENDING THE MICA AND NON-MICA PARTICLES WHILE SUBJECTING THE MEDIUM TO VIBRATIONS OF AT LEAST SONIC ENERGY OF SUFFICIENT MAGNITUDE OT CAUSE CAVITATION INT HE IQUID FOR A TIME SUFFICIENT TO IMPEL SAID NON-MICA PARTICLES AGAINST SAID MICA IN THE PLANE OF CLEAVAGE TO DELAMINATE THE MICA INTO THINNER FLAKES AND THEREAFER SEPARATING THE RESULTANT PRODUCT.
Claim 2
Dependent Claim
73 words
A PROCESS FOR DELAMINATING MICA COMPRISING PLACING THE MICA IN A LIQUID MEDIUM CONTAINING NON-MICA SOLID PARTICLES, SUSPENDING THE MICA AND NON-MICA PARTICLES WHILE SUBJECTING THE MEDIUM TO VIBRATIONS OF AT LEAST SONIC ENERGY OF SUFFICIENT MAGNITUDE OT CAUSE CAVITATION INT HE IQUID FOR A TIME SUFFICIENT TO IMPEL SAID NON-MICA PARTICLES AGAINST SAID MICA IN THE PLANE OF CLEAVAGE TO DELAMINATE THE MICA INTO THINNER FLAKES AND THEREAFER SEPARATING THE RESULTANT PRODUCT.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |