Patent FR2275771B1 successfully refreshed from Google Patents.
US2373215A
Expired / Lapsed
US
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Method and apparatus for treating plastic film
Assignee: Goodrich Corp
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Filing: 1943-03-03
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Granted: 1945-04-10
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Expires: 1963-03-03
Abstract
No abstract record available.
Inventors
- 👤 Harvey L Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:16
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/04; B29C55/08; B29C35/00; B29C35/16; B29C53/00; B29C53/16; B29C53/18; Y; Y10; Y10S; Y10S425/00; Y10S425/053
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) | 1948-04-09 | 1948-10-09 | 1949-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-04-09 | 1952-10-09 | 1953-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-04-09 | 1956-10-09 | 1957-04-10 | $7700.00 | Window Closed / Lapsed |