US3413065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital scanning densitometer
Assignee: International Business Machines Corp
•
Filing: 1964-09-23
•
Granted: 1968-11-26
•
Expires: 1984-09-23
Abstract
No abstract record available.
Inventors
- 👤 Howard L Funk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:44
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/10; G01J1/20; G01J1/22; G01J1/24; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/255
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2733358A
Cited
US2478406A
Cited
US2872641A
Cited
US2883649A
Cited
US3328587A
Cited
US3238454A
Cited
US3249759A
Cited
US3317733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |