US2634643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe grooving tool
Assignee: Victaulic Co
•
Filing: 1947-06-26
•
Granted: 1953-04-14
•
Expires: 1967-06-26
Abstract
No abstract record available.
Inventors
- 👤 John H Krooss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:21
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/06; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2522
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1092304A
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US1237677A
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US1382219A
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US1727406A
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US1707478A
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US2057011A
Cited
US2358873A
Cited
US2261214A
Cited
DK2585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |