Patent US7316708B2 successfully refreshed from Google Patents.
Patent US3285490A successfully refreshed from Google Patents.
US3285490A
Expired / Lapsed
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Apparatus for making tubular members
Assignee: Wallace Expanding Machines Inc
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Filing: 1963-06-25
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Granted: 1966-11-15
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Expires: 1983-06-25
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Roper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:37
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/08; B21C37/0815
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
APPARATUS FOR SUPPORTING A LONGITUDINALLY SPLIT, TUBULAR BODY PREPARATORY TO JOINING THE BODY EDGES DEFINING THE BODY SPLIT, COMPRISING A FIRST LOOP OF SHEET MATERIAL EMBRACING THE SPLIT BODY AND GENERALLY CORRESPONDING TO THE SIZE AND SHAPE OF BODY DESIRED, SAID FIRST LOOP BEING FORMED OF TWO, FLEXIBLE SHEET MEMBER PIECES IN OVERLAPPING RELATION, A TRANSVERSELY FLEXIBLE SECOND LOOP UNDERLYING AND SUPPORTING SAID FIRST LOOP, AND MEANS FOR VARY ING THE EFFECTIVE LENGTH OF SAID SECOND LOOP TO VARY THE AMOUNT OF OVERLAP OF SAID SHEET MEMBER PIECES THUS VARYING THE SIZE OF SAID FIRST LOOP TO PROVIDE FOR ACCOMMODATION OF BODIES OF DIFFERENT TRANSVERSE SIZES.
Claim 2
Dependent Claim
106 words
APPARATUS FOR SUPPORTING A LONGITUDINALLY SPLIT, TUBULAR BODY PREPARATORY TO JOINING THE BODY EDGES DEFINING THE BODY SPLIT, COMPRISING A FIRST LOOP OF SHEET MATERIAL EMBRACING THE SPLIT BODY AND GENERALLY CORRESPONDING TO THE SIZE AND SHAPE OF BODY DESIRED, SAID FIRST LOOP BEING FORMED OF TWO, FLEXIBLE SHEET MEMBER PIECES IN OVERLAPPING RELATION, A TRANSVERSELY FLEXIBLE SECOND LOOP UNDERLYING AND SUPPORTING SAID FIRST LOOP, AND MEANS FOR VARY ING THE EFFECTIVE LENGTH OF SAID SECOND LOOP TO VARY THE AMOUNT OF OVERLAP OF SAID SHEET MEMBER PIECES THUS VARYING THE SIZE OF SAID FIRST LOOP TO PROVIDE FOR ACCOMMODATION OF BODIES OF DIFFERENT TRANSVERSE SIZES.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |