Patent US3508773A successfully refreshed from Google Patents.
US3508773A
Expired / Lapsed
US
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Friction-type rod joint
Assignee: Kobe Inc
•
Filing: 1967-06-12
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Granted: 1970-04-28
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Expires: 1987-06-12
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Coberly
- 👤 Francis Barton Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:31
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/14; F04B53/144; B; B23; B23P; B23P11/00; B23P11/02; B23P11/022; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/49822; Y10T29/49826; Y10T29/49945; Y10T403/00; Y10T403/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2899806A
Cited
US1067516A
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US2671949A
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GB825766A
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US2926940A
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US3142901A
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US2992479A
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US3114566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |