US3531313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation-reflecting medium
Assignee: Corning Glass Works
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Filing: 1967-05-19
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Granted: 1970-09-29
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Expires: 1987-05-19
Abstract
No abstract record available.
Inventors
- 👤 Harold F Dates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:20
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/20; G02B5/208; C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C17/34; C03C17/3411; C03C17/3417; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/211; C03C2217/23; C03C2217/24; C03C2217/244; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA466325A
Cited
US2564677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |