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US2437296A
Expired / Lapsed
US
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Tool
Assignee: Individual
•
Filing: 1946-08-13
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Granted: 1948-03-09
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Expires: 1966-08-13
Abstract
No abstract record available.
Inventors
- 👤 Harold S Forsberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:40
CPC Classifications
B; B23; B23D; B23D51/00; B23D51/08; B23D51/12; B23D51/14; B23D51/01; B25; B25G; B25G1/00; F; F16; F16B; F16B2200/00; F16B2200/10
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) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |