US3011383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decorative optical material
Assignee: LE Carpenter and Co
•
Filing: 1957-04-30
•
Granted: 1961-12-05
•
Expires: 1977-04-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur D Sylvester
- 👤 Arthur F Turner
- 👤 Harold H Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:13
CPC Classifications
G; G02; G02B; G02B1/00; G02B1/10; G02B1/11; G02B1/113; G02B1/115; G02B1/116; G02B5/00; G02B5/08; G02B5/20; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2709663A
Cited
US2590906A
Cited
US2740732A
Cited
GB742530A
Cited
US2714569A
Cited
US2782676A
Cited
US2759866A
Cited
US2702580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |