US2324737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cutting pipe
Assignee: Bethlehem Steel Corp
•
Filing: 1942-05-05
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Granted: 1943-07-20
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Expires: 1962-05-05
Abstract
No abstract record available.
Inventors
- 👤 Richard H Stevens
- 👤 Wilson Tom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:35
CPC Classifications
B; B23; B23D; B23D45/00; B23D45/18; B23D45/20; B23D59/00; B23D59/02; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/041; Y10T83/0414; Y10T83/0515; Y10T83/283; Y10T83/465; Y10T83/4757
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) | 1946-07-19 | 1947-01-18 | 1947-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-19 | 1951-01-18 | 1951-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-19 | 1955-01-18 | 1955-07-20 | $7700.00 | Window Closed / Lapsed |