US2561781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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 14:37
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)
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Cited
US1323022A
Cited
US1270250A
Cited
US1544217A
Cited
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 |