Patent CA737288A successfully refreshed from Google Patents.
US2159043A
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Method of handling and working metal members
Assignee: Individual
•
Filing: 1936-12-24
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Granted: 1939-05-23
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Expires: 1956-12-24
Abstract
No abstract record available.
Inventors
- 👤 Jr John B Orr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:46
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/04; Y; Y10; Y10T; Y10T29/00; Y10T29/30; Y10T29/301; Y10T29/302; Y10T428/00; Y10T428/12; Y10T428/12292; Y10T428/12361; Y10T428/12493; Y10T428/12535; Y10T428/12625; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12972; Y10T428/12979
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) | 1942-05-22 | 1942-11-21 | 1943-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-22 | 1946-11-21 | 1947-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-22 | 1950-11-21 | 1951-05-23 | $7700.00 | Window Closed / Lapsed |