US3095644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for attaching overlapped members
Assignee: RECTOR WELL EQUIPMENT Co
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Filing: 1958-04-03
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Granted: 1963-07-02
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Expires: 1978-04-03
Abstract
No abstract record available.
Inventors
- 👤 John L Curry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:24
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/14; B; B23; B23K; B23K28/00; E21B17/02; E21B17/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49888; Y10T29/4998; Y10T29/49993
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A METHOD OF JOINING OVERLAPPED MEMBERS, AT LEAST ONE OF WHICH HAS A HOLLOW BORE, COMPRISING THE STEPS OF FORMING AN ANNULAR GROOVE ON THE INNER SIDE OF THE HOLLOW BORE OF ONE MEMBER; FORMING AN ANNULAR GROOVE ABOUT THE OUTER SURFACE OF THE OTHER MEMBER; INSERTING THE SECOND NAMED MEMBER IN THE BORE OF THE FIRST NAMED MEMBER IN POSITION SO THAT THE GROOVES COINCIDE; FORMING A PLURALITY OF HOLES AT APPROXIMATELY EQUALLY SPACED INTERVALS THROUGH THE WALL OF THE FIRST NAMED MEMBER TO
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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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |