Patent US2480178A successfully refreshed from Google Patents.
US2480178A
Expired / Lapsed
US
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Light conductor
Assignee: Individual
•
Filing: 1946-05-08
•
Granted: 1949-08-30
•
Expires: 1966-05-08
Abstract
No abstract record available.
Inventors
- 👤 Ivan H Zinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:44
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0011; G02B6/0033; G02B6/0005; G02B6/0035; G02B6/0045; G02B6/0046; G02B6/0048; Y; Y10; Y10S; Y10S385/00; Y10S385/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1102138A
Cited
DE418975C
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US1820899A
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US1740747A
Cited
GB315817A
Cited
US2040264A
Cited
FR817194A
Cited
US2286014A
Cited
US2349012A
Cited
US2367579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |