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Patent US2881571A successfully refreshed from Google Patents.
US2881571A
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US
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Removing fins from molded products
Assignee: Airco Inc
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Filing: 1955-10-18
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Granted: 1959-04-14
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Expires: 1975-10-18
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Granata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:56
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/02; B29C35/00; B29C35/16; B29C2035/1616; B29C2035/1625; B29C2035/165; B29K; B29K2021/00; Y; Y10; Y10S; Y10S241/00; Y10S241/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |