US3013867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of artificial crystals
Assignee: Sawyer Res Products Inc
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Filing: 1959-03-27
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Granted: 1961-12-19
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Expires: 1979-03-27
Abstract
No abstract record available.
Inventors
- 👤 Charles B Sawyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:38
CPC Classifications
B; B01; B01D; B01D9/00; Y; Y10; Y10T; Y10T117/00; Y10T117/10; Y10T117/1024; Y10T117/1096
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN THE METHOD OF GROWING A PEGMATITIC CRYSTAL WITHIN A SEED-GROWING REGION BY A NUTRIENT SOLUTION CONTINUOUSLY EXCHANGED BETWEEN SUCH REGION AND A SUPPLY REGION THROUGH A COMMON INTER-CONNECTING AREA; THE STEPS OF THERMALLY INDUCING A CIRCULATION OF SUCH SOLUTION IN EACH REGION THROUGH SEPARATE PATHS OF MOVEMENT SUBSTANTIALLY INDEPENDENTLY OF THE OTHER, AND SIMULTANEOUSLY PERMITTING SUCH SOLUTION TO INFILTRATE FROM ONE REGION TO THE OTHER SUBSTANTIALLY THROUGHOUT SUCH AREA BUT SPACED FROM THE PERIPHERY THEREOF AT A RATE INSUFFICIENT TO AFFECT SUCH SUBSTANTIALLY INDEPENDENT CIRCULATION WHILE COMPLETELY PREVENTING SUCH INFILTRATING EXCHANGE ADJOINING THE PERIPHERIES OF SUCH REGIONS AT SUCH INTER-CONNECTING AREA.
Claim 2
Dependent Claim
102 words
IN THE METHOD OF GROWING A PEGMATITIC CRYSTAL WITHIN A SEED-GROWING REGION BY A NUTRIENT SOLUTION CONTINUOUSLY EXCHANGED BETWEEN SUCH REGION AND A SUPPLY REGION THROUGH A COMMON INTER-CONNECTING AREA; THE STEPS OF THERMALLY INDUCING A CIRCULATION OF SUCH SOLUTION IN EACH REGION THROUGH SEPARATE PATHS OF MOVEMENT SUBSTANTIALLY INDEPENDENTLY OF THE OTHER, AND SIMULTANEOUSLY PERMITTING SUCH SOLUTION TO INFILTRATE FROM ONE REGION TO THE OTHER SUBSTANTIALLY THROUGHOUT SUCH AREA BUT SPACED FROM THE PERIPHERY THEREOF AT A RATE INSUFFICIENT TO AFFECT SUCH SUBSTANTIALLY INDEPENDENT CIRCULATION WHILE COMPLETELY PREVENTING SUCH INFILTRATING EXCHANGE ADJOINING THE PERIPHERIES OF SUCH REGIONS AT SUCH INTER-CONNECTING AREA.
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) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |