Patent US2742948A successfully refreshed from Google Patents.
US2742948A
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Assignee: Individual
•
Filing: 1952-01-25
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Granted: 1956-04-24
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Expires: 1972-01-25
Abstract
No abstract record available.
Inventors
- 👤 Philip W Baird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:40
CPC Classifications
B; B21; B21D; B21D41/00; B21D41/02; B21D41/025; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49858; Y10T29/49861; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/53; Y10T29/5367
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US210088A
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US1703527A
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US1297141A
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US1664527A
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US1835179A
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US2249984A
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US2357748A
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US2433546A
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US2467125A
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US2569523A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |