US3384785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control systems
Assignee: Vickers Inc
•
Filing: 1965-01-22
•
Granted: 1968-05-21
•
Expires: 1985-01-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles E Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:36
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/10; B23K9/1006; B23K9/1012; B23K9/1031; B23K9/06; B23K9/073; B23K9/0732
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3237116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |