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Patent US2927372A successfully refreshed from Google Patents.
US2927372A
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Method for forming close tolerance tubing and articles thereon
Assignee: EASTWOOD ACCEPTANCE CORP
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Filing: 1955-05-31
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Granted: 1960-03-08
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Expires: 1975-05-31
Abstract
No abstract record available.
Inventors
- 👤 Vernon R Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:50
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/30; B21C1/00; B21C1/16; B21C1/22; B21C1/24; Y; Y10; Y10S; Y10S29/00; Y10S29/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1827766A
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US2056689A
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US2049577A
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US2051948A
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US2108790A
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US2051949A
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US2336524A
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US2522780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |