US3409752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orbital welding apparatus
Assignee: Clarke Chapman Group Ltd
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Filing: 1966-11-14
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Granted: 1968-11-05
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Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Henderson Leslie
- 👤 Hasson Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:10
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/028; B23K9/0282; B23K9/0286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
ORBITAL WELDING APPARATUS COMPRISING, IN COMBINATION, A CLAMP HAVING A BORE TO EMBRACE A LENGTH OF TUBING AND BEING DIVIDED DIAMETRICALLY ACROSS SAID BORE, TWO DIAMETRICALLY DIVIDED DRIVE RINGS MOUNTED ON THE CLAMP CO-AXIALLY THEREWITH AND BEING INDEPENDENTLY ROTATABLE ABOUT THE CLAMP BORE AXIS, A WELDING HEAD MOUNTED ON A FIRST OF THE RINGS AND FEED MEANS TO FEED A WELDING WIRE TO THE VICINITY OF SAID HEAD BEING DRIVINGLY CONNECTED TO THE SECOND OF THE RINGS.
Claim 2
Dependent Claim
77 words
ORBITAL WELDING APPARATUS COMPRISING, IN COMBINATION, A CLAMP HAVING A BORE TO EMBRACE A LENGTH OF TUBING AND BEING DIVIDED DIAMETRICALLY ACROSS SAID BORE, TWO DIAMETRICALLY DIVIDED DRIVE RINGS MOUNTED ON THE CLAMP CO-AXIALLY THEREWITH AND BEING INDEPENDENTLY ROTATABLE ABOUT THE CLAMP BORE AXIS, A WELDING HEAD MOUNTED ON A FIRST OF THE RINGS AND FEED MEANS TO FEED A WELDING WIRE TO THE VICINITY OF SAID HEAD BEING DRIVINGLY CONNECTED TO THE SECOND OF THE RINGS.
References Cited (Backward Citations)
US3299245A
Cited
US3266700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |