US2723561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tensiometer
Assignee: Akzo Nobel UK PLC
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Filing: 1952-11-28
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Granted: 1955-11-15
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Expires: 1972-11-28
Abstract
No abstract record available.
Inventors
- 👤 John S Chaya
- 👤 Eaton Jesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:14
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/04; G01L5/06; B; B65; B65H; B65H59/00; B65H59/40; B65H2402/00; B65H2402/40; B65H2402/41; B65H2402/414; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A DEVICE FOR MEASURING THE TENSION OF A CONTINUOUSLY ADVANCING FILAMENTARY MATERIAL COMPRISING A FRAME; A PAIR OF SEPARATED GENERALLY PARALLEL ELONGATED ROLLS ROTATABLY MOUNTED ON THE FRAME, SHROUD MEANS WHICH IS SECURED TO ONE END OF THE FRAME AND WHICH SHIELDS THE ADJACENT EXTREMITIES OF THE ELONGATED ROLLS; MEANS PIVOTALLY SECURED TO THE OPPOSITE END OF THE FRAME FOR AT TIMES ENGAGING AND DEFLECTING A FILAMENTARY STRAND POSITIONED BETWEEN THE ELONGATED ROLLS; AND MEANS FOR INDICATING THE AMOUNT OF SAID DEFLECTION.
Claim 2
Independent Claim
82 words
A DEVICE FOR MEASURING THE TENSION OF A CONTINUOUSLY ADVANCING FILAMENTARY MATERIAL COMPRISING A FRAME; A PAIR OF SEPARATED GENERALLY PARALLEL ELONGATED ROLLS ROTATABLY MOUNTED ON THE FRAME, SHROUD MEANS WHICH IS SECURED TO ONE END OF THE FRAME AND WHICH SHIELDS THE ADJACENT EXTREMITIES OF THE ELONGATED ROLLS; MEANS PIVOTALLY SECURED TO THE OPPOSITE END OF THE FRAME FOR AT TIMES ENGAGING AND DEFLECTING A FILAMENTARY STRAND POSITIONED BETWEEN THE ELONGATED ROLLS; AND MEANS FOR INDICATING THE AMOUNT OF SAID DEFLECTION.
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) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |