Patent US3451119A successfully refreshed from Google Patents.
US3451119A
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Method of and apparatus for making up and breaking friction-type rod and tubing joints
Assignee: Kobe Inc
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Filing: 1963-11-22
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Granted: 1969-06-24
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Expires: 1983-11-22
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Coberly
- 👤 Francis Barton Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:41
CPC Classifications
B; B23; B23P; B23P11/00; B23P11/02; B23P11/022; B21; B21D; B21D39/00; B21D39/04; F; F16; F16L; F16L37/00; F16L37/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49945; Y10T29/53; Y10T29/5367; Y10T29/53678; Y10T29/53796; Y10T29/5383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2564670A
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US3142901A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |