US3391303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic vacuum pump including a sputter electrode
Assignee: VEECO INSTRUMENTS ACQUISITION CORP
•
Filing: 1965-01-25
•
Granted: 1968-07-02
•
Expires: 1985-01-25
Abstract
No abstract record available.
Inventors
- 👤 Lewis D Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:04
CPC Classifications
H; H01; H01J; H01J41/00; H01J41/12; H01J41/18; H01J41/20; H01J41/14; H01J41/16; H01J7/00; H01J7/14; H01J7/18; H01J7/186
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2006081A
Cited
US2477279A
Cited
US2845567A
Cited
DE1075272B
Cited
US3107044A
Cited
US3152752A
Cited
US3176906A
Cited
US3235170A
Cited
US3244969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |