US3384680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curing epoxide resins with encapsulated shielded catalysts
Assignee: Boeing Co
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Filing: 1965-10-13
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Granted: 1968-05-21
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Expires: 1985-10-13
Abstract
No abstract record available.
Inventors
- 👤 Robert O Lussow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:24
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/188; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08K; C08K9/00; C08K9/10; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2989
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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |