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US2568280A
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Pipe parting tool
Assignee: Victaulic Co
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Filing: 1946-11-19
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Granted: 1951-09-18
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Expires: 1966-11-19
Abstract
No abstract record available.
Inventors
- 👤 Raymond B Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:00
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/92; B28D; B28D1/00; B28D1/22; B28D1/227; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/371
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) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |