Patent US2431238A successfully refreshed from Google Patents.
US2431238A
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Process of locking flat members to bodies
Assignee: Individual
•
Filing: 1946-04-15
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Granted: 1947-11-18
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Expires: 1966-04-15
Abstract
No abstract record available.
Inventors
- 👤 Friedman Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:50
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/56; B29C65/567; B29C65/568; B29C66/00; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/5326; B29C66/61; B29C66/612; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/135; B29K; B29K2709/00; B29K2709/08; B29L; B29L2011/00; B29L2011/0058; Y; Y10; Y10S; Y10S264/00; Y10S264/66; Y10S264/76; Y10S359/00; Y10S359/90; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US535518A
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US594495A
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US1502873A
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US2041518A
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US2252504A
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US2335296A
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US2393486A
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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) | 1950-11-17 | 1951-05-19 | 1951-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-17 | 1955-05-19 | 1955-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-17 | 1959-05-19 | 1959-11-18 | $7700.00 | Window Closed / Lapsed |