US3412458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fourdrinier wire
Assignee: Cheney Bigelow Wire Works Inc
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Filing: 1966-08-08
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Granted: 1968-11-26
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Expires: 1986-08-08
Abstract
No abstract record available.
Inventors
- 👤 Delnero Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:48
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/03; H05K1/038; Y; Y10; Y10S; Y10S228/00; Y10S228/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
THE METHOD OF SEAMING FOURDRINIER WIRE CLOTH COMPOSED OF WARP WIRES HAVING A RELATIVELY HARD METAL CORE MADE OF A MATERIAL HAVING A MODULUS OF ELASTICITY OF AT LEAST 25 X 10**6 P.S.I., AND AN OUTER METAL COATING ON SAID HARD CORE MADE OF MATERIAL HAVING A MODULUS OF ELASTICITY WHICH DOES NOT EXCEED 20 X 10**6 P.S.I., SAID OUTER COATING COMPRISING APPROXIMATELY 10%-50% BY WEIGHT OF SAID WARP WIRES, A PLURALITY OF FIRST SHUTES EXTENDING TRANSVERSELY OF SAID WARP WIRES, SAID FIRST SHUTES BEING OF MATERIALS HAVING A MELTING TEMPERATURE LESS THAN 1925*F. COMPRISING THE STEPS OF REMOVING AT LEAST ONE OF SAID FIRST SHUTES FROM AT LEAST ONE END OF SAID FOURDRINIER WIRE, SUBSTITUTING A SECOND SHUTE WIRE CHARACTERIZED BY A MELTING TEMPERATURE IN EXCESS OF 1925*F. FOR SAID REMOVED FIRST SHUTE WARP WIRES, POSITIONING THE ENDS OF THE WARP WIRES AT OPPOSITE ENDS OF SAID FOURDRINIER CLOTH IN OPPOSING RELATION TO FORM SAID FOURDRINIER CLOTH INTO AN ENDLESS LOOP, AND THEN CONNECTING SAID OPPOSED ENDS OF SAID WARP WIRES BY BRAZING MATERIAL DIFFUSED THROUGH THE COATINGS OF AND BONDED TO THE CORES OF SAID WARP WIRES.
Claim 2
Independent Claim
189 words
THE METHOD OF SEAMING FOURDRINIER WIRE CLOTH COMPOSED OF WARP WIRES HAVING A RELATIVELY HARD METAL CORE MADE OF A MATERIAL HAVING A MODULUS OF ELASTICITY OF AT LEAST 25 X 10**6 P.S.I., AND AN OUTER METAL COATING ON SAID HARD CORE MADE OF MATERIAL HAVING A MODULUS OF ELASTICITY WHICH DOES NOT EXCEED 20 X 10**6 P.S.I., SAID OUTER COATING COMPRISING APPROXIMATELY 10%-50% BY WEIGHT OF SAID WARP WIRES, A PLURALITY OF FIRST SHUTES EXTENDING TRANSVERSELY OF SAID WARP WIRES, SAID FIRST SHUTES BEING OF MATERIALS HAVING A MELTING TEMPERATURE LESS THAN 1925*F. COMPRISING THE STEPS OF REMOVING AT LEAST ONE OF SAID FIRST SHUTES FROM AT LEAST ONE END OF SAID FOURDRINIER WIRE, SUBSTITUTING A SECOND SHUTE WIRE CHARACTERIZED BY A MELTING TEMPERATURE IN EXCESS OF 1925*F. FOR SAID REMOVED FIRST SHUTE WARP WIRES, POSITIONING THE ENDS OF THE WARP WIRES AT OPPOSITE ENDS OF SAID FOURDRINIER CLOTH IN OPPOSING RELATION TO FORM SAID FOURDRINIER CLOTH INTO AN ENDLESS LOOP, AND THEN CONNECTING SAID OPPOSED ENDS OF SAID WARP WIRES BY BRAZING MATERIAL DIFFUSED THROUGH THE COATINGS OF AND BONDED TO THE CORES OF SAID WARP WIRES.
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) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |