US2468768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means to indicate the presence of
Assignee: —
•
Filing: —
•
Granted: 1949-05-03
•
Expires: 1966-05-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:07
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/34; H01H35/346; G; G01; G01L; G01L7/00; G01L7/02; G01L7/08; Y; Y10; Y10S; Y10S60/00; Y10S60/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US492710A
Cited
US2334220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-02 | 1952-11-01 | 1953-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-02 | 1956-11-01 | 1957-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-02 | 1960-11-01 | 1961-05-03 | $7700.00 | Window Closed / Lapsed |