US3384888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical apparatus
Assignee: General Electric Co
•
Filing: 1964-12-30
•
Granted: 1968-05-21
•
Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Jr John D Harnden
- 👤 Clifford M Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:52
CPC Classifications
H; H05; H05B; H05B39/00; H05B39/04; G; G04; G04G; G04G9/00; G04G9/0064; G04G9/08; G04G9/10; G04G9/102; G04G9/107; G09; G09G; G09G3/00; G09G3/004; G09G3/20; G09G3/22; G09G3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2454238A
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US2817703A
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US2807664A
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US2949538A
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US3225342A
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US3106696A
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US3041597A
Cited
US3175209A
Cited
US3166742A
Cited
US3290515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |