Patent US3551304A successfully refreshed from Google Patents.
US3551304A
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Method for producing a composite article
Assignee: Bausch and Lomb Inc
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Filing: 1965-07-12
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Granted: 1970-12-29
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Expires: 1985-07-12
Abstract
No abstract record available.
Inventors
- 👤 Eugene C Letter
- 👤 Philip J Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:43
CPC Classifications
C; C03; C03C; C03C23/00; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C17/253; C23; C23C; C23C18/00; C23C18/02; C23C18/12; C23C18/1204; C23C18/1208; C23C18/1216; C23C18/125; C23C18/1291; C23C18/1295; C23C18/16; C23C18/1601; C23C18/1633; C23C18/1646; C23C18/165; C23C18/1653; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/211; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/112; C03C2218/30; C03C2218/32; C03C2218/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |