Patent US3437432A successfully refreshed from Google Patents.
US3437432A
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US
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Single crystals
Assignee: EIDP Inc
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Filing: 1966-07-21
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Granted: 1969-04-08
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Expires: 1986-07-21
Abstract
No abstract record available.
Inventors
- 👤 Hans J Borchardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:35
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/14; H01S3/16; C; C09; C09K; C09K11/00; C09K11/08; C09K11/77; C09K11/7766; C09K11/7776; C30; C30B; C30B15/00; C30B29/00; C30B29/10; C30B29/16; C30B29/22; C30B29/32; H01G; H01G7/00; H01G7/02; H01G7/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3183193A
Cited
US3243723A
Cited
US3152085A
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US3250722A
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US3294701A
Cited
US3257625A
Cited
US3186950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |