US2868085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for tapering conduit or pipe ends
Assignee: McGraw Edison Co
•
Filing: 1954-06-24
•
Granted: 1959-01-13
•
Expires: 1974-06-24
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:51
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/16; B23B5/167; B23B5/168; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/89; Y10T408/899; Y10T82/00; Y10T82/25; Y10T82/2522; Y10T82/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US625585A
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US794989A
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US1678712A
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US1823959A
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US2343824A
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US2322695A
Cited
US2478310A
Cited
US2616462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |