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US2545666A
Expired / Lapsed
US
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Pipe intersection bevel cutting device
Assignee: Individual
•
Filing: 1950-05-09
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Granted: 1951-03-20
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Expires: 1970-05-09
Abstract
No abstract record available.
Inventors
- 👤 Harald E Lonngren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:49
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; B23Q35/103; B23K; B23K7/00; B23K7/005; B23K7/006; B23K7/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1858077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |