Patent US2872220A successfully refreshed from Google Patents.
US2872220A
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Assignee: Crane Packing Co
•
Filing: 1952-09-02
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Granted: 1959-02-03
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Expires: 1972-09-02
Abstract
No abstract record available.
Inventors
- 👤 Illinois National Continental
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:35
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/12; F04D29/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189825138A
Cited
US772640A
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US844525A
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US1995109A
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US2148093A
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US2236370A
Cited
US2352636A
Cited
US2429953A
Cited
US2467312A
Cited
US2567527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |