US3515663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triode sputtering apparatus using an electron emitter
Assignee: HOLLOWAY IRENE B
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Filing: 1968-02-01
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Granted: 1970-06-02
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Expires: 1988-02-01
Abstract
No abstract record available.
Inventors
- 👤 George E Bodway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:04
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/34; C23C14/3471; C23C14/3478; C23C14/02; C23C14/027; H; H10; H10W; H10W20/00; H10W20/40
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 |