Patent US3393426A successfully refreshed from Google Patents.
US3393426A
Expired / Lapsed
US
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Lateral spreading extruder die assembly
Assignee: Adamson United Co
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Filing: 1966-07-11
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Granted: 1968-07-23
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Expires: 1986-07-11
Abstract
No abstract record available.
Inventors
- 👤 John T Meienberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:21
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/35; B29C48/03; B29C48/07; B29C48/08; B29C43/00; B29C43/22; B29C43/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR994882A
Cited
US2975475A
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US2897541A
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US3085289A
Cited
US3197815A
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US3302239A
Cited
US3274645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |