Patent US3478221A successfully refreshed from Google Patents.
US3478221A
Expired / Lapsed
US
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Apparatus for detecting dirt in transparent bottles
Assignee: Fords (Finsbury) Ltd
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Filing: 1967-06-22
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Granted: 1969-11-11
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Expires: 1987-06-22
Abstract
No abstract record available.
Inventors
- 👤 Jeffrey J Sainsbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:46
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/8851; G01N21/90; G01N21/9018; G01N33/00; G01N33/0078; G01N33/0081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |