US3423592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distance measuring means using light beams
Assignee: NEOTEC Corp A CORP OF DE
•
Filing: 1964-08-26
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Granted: 1969-01-21
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Expires: 1984-08-26
Abstract
No abstract record available.
Inventors
- 👤 Paul J Selgin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:34
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/26; G01D5/32; G01D5/34; G01D5/341
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2471075A
Cited
US2604004A
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US2777069A
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US2872588A
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US2818726A
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US2933973A
Cited
US3029348A
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US3260912A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |