Patent US3319451A successfully refreshed from Google Patents.
US3319451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drawing apparatus for tubes or the like
Assignee: Blaw Knox Co
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Filing: 1964-07-22
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Granted: 1967-05-16
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Expires: 1984-07-22
Abstract
No abstract record available.
Inventors
- 👤 Albert E Tommarello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:10
CPC Classifications
B; B21; B21C; B21C1/00; B21C1/02; B21C1/12; B21C47/00; B21C47/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
APPARATUS FOR DRAWING A STRAND COMPRISING A ROTATABLE CAPSTAN; TWO ROTATABLE MANDRELS, EACH ADAPTED TO SUPPORT A REEL, LOCATED AT ANGULAR POSITIONS ADJACENT THE CAPSTAN FOR ROTATION EACH ABOUT ITS OWN AXIS; MEANS FOR RECIPROCATING EACH OF SAID MANDRELS ALONG ITS AXIS OF ROTATION; MEANS FOR POSITIVELY ROTATING EACH OF SAID MANDRELS; MEANS FOR POSITIVELY ROTATING SAID CAPSTAN; AND DRAWING DIE MEANS BETWEEN EACH OF SAID MANDRELS AND SAID CAPSTAN, EACH OF WHICH DIE MEANS IS ALTERNATELY USED TO DRAW A STRAND PASSING FROM ONE OF THE REELS TO THE CAPSTAN THROUGH SAID DIE MEANS.
Claim 2
Dependent Claim
95 words
APPARATUS FOR DRAWING A STRAND COMPRISING A ROTATABLE CAPSTAN; TWO ROTATABLE MANDRELS, EACH ADAPTED TO SUPPORT A REEL, LOCATED AT ANGULAR POSITIONS ADJACENT THE CAPSTAN FOR ROTATION EACH ABOUT ITS OWN AXIS; MEANS FOR RECIPROCATING EACH OF SAID MANDRELS ALONG ITS AXIS OF ROTATION; MEANS FOR POSITIVELY ROTATING EACH OF SAID MANDRELS; MEANS FOR POSITIVELY ROTATING SAID CAPSTAN; AND DRAWING DIE MEANS BETWEEN EACH OF SAID MANDRELS AND SAID CAPSTAN, EACH OF WHICH DIE MEANS IS ALTERNATELY USED TO DRAW A STRAND PASSING FROM ONE OF THE REELS TO THE CAPSTAN THROUGH SAID DIE MEANS.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |