US3499697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pellucid laminate with interference filter multilayer and monolayer
Assignee: Monsanto Co
•
Filing: 1965-01-04
•
Granted: 1970-03-10
•
Expires: 1985-01-04
Abstract
No abstract record available.
Inventors
- 👤 James W Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:22
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/1055; B32B17/10761; B32B17/10009; B32B17/10036; B32B17/10165; B32B17/10174; B32B27/00; B32B27/36; G; G02; G02B; G02B5/00; G02B5/20; G02B5/28; G02B5/281; G02B5/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2392978A
Cited
US2418605A
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US2624239A
Cited
GB742530A
Cited
US3011383A
Cited
US3279317A
Cited
US3298898A
Cited
US3290203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |