US2945958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light collector
Assignee: EIDP Inc
•
Filing: 1956-10-25
•
Granted: 1960-07-19
•
Expires: 1976-10-25
Abstract
No abstract record available.
Inventors
- 👤 Morris Jean Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:33
CPC Classifications
F; F21; F21V; F21V7/00; F21V7/04; G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0005; G02B6/0008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US291146A
Cited
US1297658A
Cited
US1912156A
Cited
DE621267C
Cited
US2246501A
Cited
US2277502A
Cited
DE894323C
Cited
US2753464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |