US3206845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for joining pipe sections
Assignee: Individual
•
Filing: 1963-01-16
•
Granted: 1965-09-21
•
Expires: 1983-01-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Crump
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:14
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/14; F16L13/147; B; B21; B21D; B21D39/00; B21D39/04; B21D39/042; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49806; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/4994; Y10T29/53; Y10T29/53987
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
AN EXPLOSIVE UNIT FOR INSERTION INTO A TUBULAR MEMBER WHICH COMPRISES A ROD, A PAIR OF EXPANSIBLE PACKERS ON SAID ROD, MEANS ON SAID ROD FOR EXPANDING SAID PACKERS, AN EXPLOSIVE CHARGE ON SAID ROD INTERMEDIATE SAID PACKERS, AND MEANS FOR IGNITING THE EXPLOSIVE CHARGE.
Claim 2
Dependent Claim
45 words
AN EXPLOSIVE UNIT FOR INSERTION INTO A TUBULAR MEMBER WHICH COMPRISES A ROD, A PAIR OF EXPANSIBLE PACKERS ON SAID ROD, MEANS ON SAID ROD FOR EXPANDING SAID PACKERS, AN EXPLOSIVE CHARGE ON SAID ROD INTERMEDIATE SAID PACKERS, AND MEANS FOR IGNITING THE EXPLOSIVE CHARGE.
References Cited (Backward Citations)
US2779279A
Cited
GB766741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |