US3155018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Former for the production of tubing
Assignee: Hoefliger und Karg KG
•
Filing: 1962-09-12
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Granted: 1964-11-03
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Expires: 1982-09-12
Abstract
No abstract record available.
Inventors
- 👤 Kirsten Rolf
- 👤 Wurst Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:00
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/10; B65B9/20; B65B9/22; B29; B29C; B29C53/00; B29C53/36; B29C53/38; B29C53/48; B29C53/52; B65B9/213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A FORMED FOR MOLDING A STRIP OF SHEET MATERIAL INTO A TUBULAR SHAPE COMPRISING A PLATE DISPOSED ABOUT EACH OF THREE SIDES OF AN IMAGIANRY CHANNEL AND DEFINING A CHANNEL OPEN AT ONE LONGITUDINAL SIDE THEREOF AND HAVING A REAR SIDE AND A FRONT SIDE ADAPTED TO FEED A STRIP OF SHEET MATERIAL INTO SAID CHANNEL, AND SAID PLATE DISPOSED AT THE REAR SIDE CHANNEL HAVIING AN END FACE INCLINED UPWARDLY IN THE DIRECTION OF MOVEMENT OF SAID STRIP OF SHEET MATERIAL, IN ORDER TO GUIDE AND MOLD SAID STRIP INTO A TUBULAR SHAPE DURING ITS MOVEMENT TOWARD AND THROUGH SAID CHANNEL, SAID PLATES DISPOSED AT THE FRONT SIDE CHANNEL HAVING AN END FACE INCLINED DOWNWARDLY IN THE DIRECTION OF MOVEMENT OF SAID STRIP OF SHEET MATERIAL,
Claim 2
Dependent Claim
127 words
A FORMED FOR MOLDING A STRIP OF SHEET MATERIAL INTO A TUBULAR SHAPE COMPRISING A PLATE DISPOSED ABOUT EACH OF THREE SIDES OF AN IMAGIANRY CHANNEL AND DEFINING A CHANNEL OPEN AT ONE LONGITUDINAL SIDE THEREOF AND HAVING A REAR SIDE AND A FRONT SIDE ADAPTED TO FEED A STRIP OF SHEET MATERIAL INTO SAID CHANNEL, AND SAID PLATE DISPOSED AT THE REAR SIDE CHANNEL HAVIING AN END FACE INCLINED UPWARDLY IN THE DIRECTION OF MOVEMENT OF SAID STRIP OF SHEET MATERIAL, IN ORDER TO GUIDE AND MOLD SAID STRIP INTO A TUBULAR SHAPE DURING ITS MOVEMENT TOWARD AND THROUGH SAID CHANNEL, SAID PLATES DISPOSED AT THE FRONT SIDE CHANNEL HAVING AN END FACE INCLINED DOWNWARDLY IN THE DIRECTION OF MOVEMENT OF SAID STRIP OF SHEET MATERIAL,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |