US3531208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic digital colorimeter
Assignee: Teledyne Inc
•
Filing: 1966-05-10
•
Granted: 1970-09-29
•
Expires: 1986-05-10
Abstract
No abstract record available.
Inventors
- 👤 John W Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:18
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/02; G01J3/0205; G01J3/0218; G01J3/46; G01J3/50; G01J3/52; G01J3/524; G06; G06J; G06J1/00; G01J3/465; G01J3/51; G01J3/513
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2647236A
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US3044349A
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US3026034A
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US2994825A
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US3060790A
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US3069013A
Cited
US3048270A
Cited
US3276012A
Cited
US3368149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |