US2480178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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 13:13
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1102138A
Cited
DE418975C
Cited
US1820899A
Cited
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 |