US2910908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-optical computing device for surface areas
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1955-05-27
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Granted: 1959-11-03
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Expires: 1975-05-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard W Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:37
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2360883A
Cited
US2356761A
Cited
US2359934A
Cited
US2494441A
Cited
GB715631A
Cited
US2756627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |