Patent US2232336A successfully refreshed from Google Patents.
US2232336A
Expired / Lapsed
US
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Fastening sorew
Assignee: Individual
•
Filing: 1938-07-18
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Granted: 1941-02-18
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Expires: 1958-07-18
Abstract
No abstract record available.
Inventors
- 👤 Meersteiner Frieda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:37
CPC Classifications
F; F16; F16B; F16B25/00; F16B25/001; F16B25/0021; B; B21; B21H; B21H3/00; B21H3/02; B21H3/027; F16B25/0036; F16B25/0042; F16B25/0052; F16B25/0078; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/904; Y10T408/9046
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) | 1944-02-18 | 1944-08-19 | 1945-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-02-18 | 1948-08-19 | 1949-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-02-18 | 1952-08-19 | 1953-02-18 | $7700.00 | Window Closed / Lapsed |