US3515574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for metallizing a boron nitride containing body
Assignee: Union Carbide Corp
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Filing: 1967-12-05
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Granted: 1970-06-02
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Expires: 1987-12-05
Abstract
No abstract record available.
Inventors
- 👤 Lionel C Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:54
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B41/45; C04B41/50; C04B41/51; C04B41/5133; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/243; C04B2235/00; C04B2235/02; C04B2235/50; C04B2235/54; C04B2235/5418; C04B2235/5436; C04B2235/65; C04B2235/656; C04B2235/6567; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/122; C04B2237/16; C04B2237/30; C04B2237/32; C04B2237/36; C04B2237/361; C04B2237/40; C04B2237/403; C04B2237/50; C04B2237/55; C04B2237/70; C04B2237/706; C04B2237/72; C04B2237/74; C04B2237/76
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) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |