Patent US3083841A successfully refreshed from Google Patents.
Patent US2782178A successfully refreshed from Google Patents.
US2782178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binders for fibrous products
Assignee: Owens Corning
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Filing: 1952-02-09
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Granted: 1957-02-19
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Expires: 1972-02-09
Abstract
No abstract record available.
Inventors
- 👤 Homer W Duffee
- 👤 Marshall C Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:18
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; C; C04; C04B; C04B26/00; C04B26/02; C04B26/10; C04B26/12; D; D04; D04H; D04H1/00; D04H1/40; D04H1/42; D04H1/4209; D04H1/4218; D04H1/58; D04H1/587; D04H1/64; B29K; B29K2105/00; B29K2105/06; B29K2105/12; B29K2105/128; C08; C08J; C08J2361/00; C08J2361/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A BONDED GLASS FIBER PRODUCT COMPRISING GLASS FIBERS AND A BINDER SECURING THE FIBERS TOGETHER CONTAINING THE RESINOUS REACTION PRODUCT OF FORMALDEHYDE WITH AN AMIDE SELECTED FROM THE GROUP CONSISTING OF UREA, MELAMINE, GUANIDINE AND MIXTURES THEREOF AND MRTHYLATED UREA PRESENT IN THE RATIO OF 1 PART BY WEIGHT METHYLATED UREA TO 2-5 PARTS BY WEIGHT AMIDE.
Claim 2
Dependent Claim
57 words
A BONDED GLASS FIBER PRODUCT COMPRISING GLASS FIBERS AND A BINDER SECURING THE FIBERS TOGETHER CONTAINING THE RESINOUS REACTION PRODUCT OF FORMALDEHYDE WITH AN AMIDE SELECTED FROM THE GROUP CONSISTING OF UREA, MELAMINE, GUANIDINE AND MIXTURES THEREOF AND MRTHYLATED UREA PRESENT IN THE RATIO OF 1 PART BY WEIGHT METHYLATED UREA TO 2-5 PARTS BY WEIGHT AMIDE.
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) | 1960-02-19 | 1960-08-20 | 1961-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-19 | 1964-08-20 | 1965-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-19 | 1968-08-20 | 1969-02-19 | $7700.00 | Window Closed / Lapsed |