US2995976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inspection and projection device
Assignee: Universal Controls Inc
•
Filing: 1957-01-30
•
Granted: 1961-08-15
•
Expires: 1977-01-30
Abstract
No abstract record available.
Inventors
- 👤 Richard I N Weingart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:02
CPC Classifications
G; G07; G07D; G07D7/00; G07D7/20; G07D7/202; G07D7/206
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1630427A
Cited
US1746748A
Cited
US2128337A
Cited
US2161594A
Cited
US2354628A
Cited
US2509072A
Cited
US2478641A
Cited
US2512828A
Cited
US2646717A
Cited
US2731621A
Cited
US2827822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |