US3436556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical inspection system
Assignee: Unisys Corp
•
Filing: 1966-03-24
•
Granted: 1969-04-01
•
Expires: 1986-03-24
Abstract
No abstract record available.
Inventors
- 👤 Earl J Mccartney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:58
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/28; G01R31/302; G01R31/308; G01R31/309; G01B; G01B11/00; G01B11/08; G01B11/12; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/89; G01N21/892; G01N21/894
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2078768A
Cited
US2447985A
Cited
US2532964A
Cited
US2964639A
Cited
US2989642A
Cited
US3146350A
Cited
US3099748A
Cited
US3150264A
Cited
US3239673A
Cited
US3308298A
Cited
US3371215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |