US2809129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating sheets with lubricant for draw dies
Assignee: Bristol Industrial Equipment Co
•
Filing: 1954-10-07
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Granted: 1957-10-08
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Expires: 1974-10-07
Abstract
No abstract record available.
Inventors
- 👤 Edward G Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:16
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/18; C; C23; C23G; C23G3/00; Y; Y10; Y10S; Y10S118/00; Y10S118/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1290952A
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US1448065A
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US1737447A
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US1688149A
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US1859652A
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USRE23184E
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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) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |