US2317409A
Expired / Lapsed
US
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Method for stress-relieving plastics
Assignee: Goodrich Corp
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Filing: 1940-01-05
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Granted: 1943-04-27
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Expires: 1960-01-05
Abstract
No abstract record available.
Inventors
- 👤 John H Seaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:28
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/32; B29C43/52; B29C35/00; B29C35/02; B29C35/08; B29C35/10; B29C71/00; B29C71/02; B29C2071/022; B29C35/0805; B29C43/22; B29C43/24; B29K; B29K2995/00; B29K2995/0037; B29K2995/0044; Y; Y10; Y10S; Y10S264/00; Y10S264/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-04-26 | 1946-10-26 | 1947-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-26 | 1950-10-26 | 1951-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-26 | 1954-10-26 | 1955-04-27 | $7700.00 | Window Closed / Lapsed |