US2821300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can testing machine with magnetic can separating mechanism
Assignee: Primerica Inc
•
Filing: 1953-04-03
•
Granted: 1958-01-28
•
Expires: 1973-04-03
Abstract
No abstract record available.
Inventors
- 👤 Bofinger Karl
- 👤 Albert C Schimweg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:54
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/32; G01M3/3209; B; B03; B03C; B03C1/00; B03C1/02; B03C1/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2303526A
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US2353748A
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US2702120A
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US2729329A
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US2773595A
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US2700465A
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US2743001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |