Patent US2561781A successfully refreshed from Google Patents.
US2561781A
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Method for making reinforced laminated material
Assignee: Gummed Products Co
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Filing: 1950-04-21
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Granted: 1951-07-24
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Expires: 1970-04-21
Abstract
No abstract record available.
Inventors
- 👤 Donald S Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:45
CPC Classifications
B; B32; B32B; B32B38/00; B32B38/10; B29; B29C; B29C65/00; B29C65/48; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7894; B29C66/00; B29C66/69; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/50; D; D21; D21F; D21F11/00; D21H; D21H27/00; D21H27/30; D21H27/32; D21H27/34; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A METHOD OF MAKING REINFORCED LAMINATED SHEET MATERIAL WHICH CONSISTS IN SECURING A WEB OF NON-WOVEN FABRIC TO ONE FACE OF A WEB OF SHEET MATERIAL, REMOVING ALL OF THE THREADS OF SAID NONWOVEN FABRIC EXTENDING IN ONE DIRECTION, AND THEN SECURING A SECOND WEB OF SHEET MATERIAL TO THE FIRST NOTED WEB OF SHEET MATERIAL WITH THE REMAINING FARBIC THREADS EXTENDING BETWEEN THE LAMINATIONS OF THE COMBINED WEBS.
Claim 2
Independent Claim
69 words
A METHOD OF MAKING REINFORCED LAMINATED SHEET MATERIAL WHICH CONSISTS IN SECURING A WEB OF NON-WOVEN FABRIC TO ONE FACE OF A WEB OF SHEET MATERIAL, REMOVING ALL OF THE THREADS OF SAID NONWOVEN FABRIC EXTENDING IN ONE DIRECTION, AND THEN SECURING A SECOND WEB OF SHEET MATERIAL TO THE FIRST NOTED WEB OF SHEET MATERIAL WITH THE REMAINING FARBIC THREADS EXTENDING BETWEEN THE LAMINATIONS OF THE COMBINED WEBS.
References Cited (Backward Citations)
US292572A
Cited
US1323022A
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US1270250A
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US1544217A
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US2376922A
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US2293246A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |