Patent DE269078C successfully refreshed from Google Patents.
US2664579A
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US
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Cold header
Assignee: Joseph Behr & Sons Inc
•
Filing: 1948-10-08
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Granted: 1954-01-05
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Expires: 1968-10-08
Abstract
No abstract record available.
Inventors
- 👤 Robert R Akey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:20
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/44; B21K1/46; B21K1/466
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2128152A
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US2236221A
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US2303662A
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US2364716A
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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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |