US3529167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container inspection apparatus with nutating instantaneous field of observation
Assignee: Automatic Sprinkler Corp
•
Filing: 1967-08-16
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Granted: 1970-09-15
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Expires: 1987-08-16
Abstract
No abstract record available.
Inventors
- 👤 Frederick L Calhoun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:19
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/90; G01N21/9045; B; B07; B07C; B07C5/00; B07C5/04; B07C5/12; B07C5/122; B07C5/126; G01N21/9018; G01N21/9072; G01N33/00; G01N33/0078; G01N33/0081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA702548A
Cited
US2811908A
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US2826328A
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US2986068A
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US3081666A
Cited
US3138712A
Cited
US3292785A
Cited
US3379891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |