Patent US3348403A successfully refreshed from Google Patents.
US3348403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll pass for tubing or the like
Assignee: McKay Machine Co
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Filing: 1964-11-02
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Granted: 1967-10-24
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Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 William W Bartley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:52
CPC Classifications
B; B21; B21B; B21B31/00; B21B31/16; B21B31/20; B21B31/22; B21B31/26; B21B13/00; B21B13/005; B21B2273/00; B21B2273/22; B21B31/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN IMPROVED MILL FOR WORKING LONGITUDINALLY MOVING ELONGATED STOCK, COMPRISING A PAIR OF ROLLS WHICH TOGETHER FORM A PASS THROUGH WHICH THE STOCK IS FED, MOVING MEANS FOR SIMULTANEOUSLY AND EQUALLY ADJUSTING THE ROTATIONAL AXES OF SAID ROLLS TOWARD AND AWAY FROM EACH OTHER TO MAINTAIN A FIXED POSITION OF THE PASS LINE FOR THE STOCK
Claim 2
Dependent Claim
56 words
AN IMPROVED MILL FOR WORKING LONGITUDINALLY MOVING ELONGATED STOCK, COMPRISING A PAIR OF ROLLS WHICH TOGETHER FORM A PASS THROUGH WHICH THE STOCK IS FED, MOVING MEANS FOR SIMULTANEOUSLY AND EQUALLY ADJUSTING THE ROTATIONAL AXES OF SAID ROLLS TOWARD AND AWAY FROM EACH OTHER TO MAINTAIN A FIXED POSITION OF THE PASS LINE FOR THE STOCK
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |