Patent US2824428A successfully refreshed from Google Patents.
US3090101A
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US
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Method of constructing a corrugator belt
Assignee: Albany International Corp
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Filing: 1960-08-26
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Granted: 1963-05-21
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Expires: 1980-08-26
Abstract
No abstract record available.
Inventors
- 👤 Zephir J Chagnon
- 👤 Robert R Kelleher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:45
CPC Classifications
D; D21; D21F; D21F7/00; D21F7/08; D21F7/083; B; B32; B32B; B32B5/00; B32B5/02; B32B5/024; B32B5/06; B32B5/08; B32B5/22; B32B5/24; B32B5/26; D21F5/00; B32B2250/00; B32B2250/20; B32B2262/00; B32B2262/02; B32B2262/0276; B32B2262/06; B32B2262/08; B32B2262/14; B32B2307/00; B32B2307/30; B32B2307/306; B32B2307/50; B32B2307/70; B32B2307/724; B32B2307/7242; B32B2307/7246; B32B2413/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
THE METHOD OF CONSTRUCTING A CORRUGATOR BELT CONSISTING OF WEAVING A TWO-PLY BASE FABRIC, PASSING THE BASE FABRIC THROUGH A NEEDLING MACHINE TO COVER THE SURFACES OF THE WOVEN FABRIC WITH A PLURALITY OF FIBERS MECHANICALLY INTERLOCKED THEREWITH AND THEN EXPOSING THE BELT TO ELEVATED TEMPERATURES IN THE RANGE OF 325*F. TO 375*F. WHILE APPLYING TENSION IN THE RANGE OF 100 TO 200 LBS. PER INCH OF WIDTH FOR A PERIOD OF FIVE TO FIFTEEN MINUTES.
Claim 2
Independent Claim
76 words
THE METHOD OF CONSTRUCTING A CORRUGATOR BELT CONSISTING OF WEAVING A TWO-PLY BASE FABRIC, PASSING THE BASE FABRIC THROUGH A NEEDLING MACHINE TO COVER THE SURFACES OF THE WOVEN FABRIC WITH A PLURALITY OF FIBERS MECHANICALLY INTERLOCKED THEREWITH AND THEN EXPOSING THE BELT TO ELEVATED TEMPERATURES IN THE RANGE OF 325*F. TO 375*F. WHILE APPLYING TENSION IN THE RANGE OF 100 TO 200 LBS. PER INCH OF WIDTH FOR A PERIOD OF FIVE TO FIFTEEN MINUTES.
References Cited (Backward Citations)
USRE21890E
Cited
US1742338A
Cited
US2165772A
Cited
US2588228A
Cited
US2748445A
Cited
US2825958A
Cited
US2943379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |