Patent US3449281A successfully refreshed from Google Patents.
US3449281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water dispersible epoxy compositions
Assignee: Owens Corning
•
Filing: 1966-06-20
•
Granted: 1969-06-10
•
Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Philip W Sullivan
- 👤 Robert Wong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:05
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/62; C08G59/64; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/32; C03C25/36; C08G59/182; C08G59/184; C08J; C08J3/00; C08J3/02; C08J3/03; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/55; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2962; Y10T428/2964; Y10T428/31504; Y10T428/31511; Y10T428/31525
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3336253A
Cited
US3349053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |