US3199939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphor deposition
Assignee: Individual
•
Filing: 1962-05-08
•
Granted: 1965-08-10
•
Expires: 1982-05-08
Abstract
No abstract record available.
Inventors
- 👤 Herman A Stern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:59
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/62; C09K11/626; C09K11/628; H; H01; H01J; H01J9/00; H01J9/20; H01J9/22; H01J9/221
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1877718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |