US3453440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical inspection devices employing light-conducting fibers
Assignee: Molins Machine Co Ltd
•
Filing: 1965-12-14
•
Granted: 1969-07-01
•
Expires: 1985-12-14
Abstract
No abstract record available.
Inventors
- 👤 Douglas William Ballantyn Muir
- 👤 Philip Frank Hider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:17
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/95; G01N21/952; A; A24; A24C; A24C5/00; A24C5/32; A24C5/34; A24C5/3412; G02; G02B; G02B6/00; G02B6/0001; G02B6/0005; G02B6/0006; G01N2201/00; G01N2201/08; G01N2201/0826; G01N2201/0833; G02B6/24; G02B6/42; G02B6/4298; Y; Y10; Y10S; Y10S131/00; Y10S131/908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2922884A
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US3068742A
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US3091235A
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US3120125A
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US3141094A
Cited
US3173018A
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US3267932A
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US3327584A
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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) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |