US3373050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deflecting particles in vacuum coating process
Assignee: Unisys Corp
•
Filing: 1964-12-30
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Granted: 1968-03-12
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Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Maynard C Paul
- 👤 Paul E Oberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:25
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/56; C23C14/564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2831784A
Cited
US2920002A
Cited
US2996418A
Cited
US3113040A
Cited
US3243363A
Cited
US3208873A
Cited
US3237508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |