Patent US20040181249A1 successfully refreshed from Google Patents.
US3380876A
Expired / Lapsed
US
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Bonding thermoplastic materials to substrates with colloidal silica
Assignee: EIDP Inc
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Filing: 1967-06-20
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Granted: 1968-04-30
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Expires: 1987-06-20
Abstract
No abstract record available.
Inventors
- 👤 Robert L Rusher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:26
CPC Classifications
C; C09; C09D; C09D171/00; C09D171/02; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/259
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3142609A
Cited
US3235426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |