US3371996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diamond growth process
Assignee: Individual
•
Filing: 1964-01-20
•
Granted: 1968-03-05
•
Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Henry J Hibshman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:18
CPC Classifications
B; B65; B65G; B65G37/00; B01; B01J; B01J3/00; B01J3/06; B01J3/062; C; C01; C01B; C01B32/00; C01B32/25; C01B32/26; B01J2203/00; B01J2203/06; B01J2203/0605; B01J2203/061; B01J2203/062; B01J2203/065; B01J2203/0655; B01J2203/0675; B01J2203/068; B65G2812/00; B65G2812/01; B65G2812/012; B65G2812/014; B65G2812/015
Claims Analysis
Total Claims: 0
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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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |