US2691797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for trimming molded articles
Assignee: Eagle Picher Co
•
Filing: 1950-02-10
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Granted: 1954-10-19
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Expires: 1970-02-10
Abstract
No abstract record available.
Inventors
- 👤 Bertleff William
- 👤 Leon E Hoffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:34
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/02; B29C51/00; B29C51/26; B29C51/30; B29C51/32; B29K; B29K2021/00; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10T; Y10T83/00; Y10T83/647; Y10T83/6472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US289923A
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US1190072A
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US1353077A
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US2120328A
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US2155445A
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US2493439A
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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) | 1957-10-18 | 1958-04-19 | 1958-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-18 | 1962-04-19 | 1962-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-18 | 1966-04-19 | 1966-10-19 | $7700.00 | Window Closed / Lapsed |