US3488310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Urea-melamine-formaldehyde resins
Assignee: Owens Corning
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Filing: 1967-02-24
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Granted: 1970-01-06
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Expires: 1987-02-24
Abstract
No abstract record available.
Inventors
- 👤 Frank Paul Mccombs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:42
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/34; C08G12/36; C08G12/38; C08J; C08J5/00; C08J5/04; C08J5/0405; C08J5/043; C08L; C08L61/00; C08L61/20; C08L61/30; C08L61/34; C08J2361/00; C08J2361/20; C08J2361/30; C08J2361/34; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T442/00; Y10T442/60; Y10T442/674
Claims Analysis
Total Claims: 0
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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) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |