US2416739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittent transmission
Assignee: Individual
•
Filing: 1943-10-16
•
Granted: 1947-03-04
•
Expires: 1963-10-16
Abstract
No abstract record available.
Inventors
- 👤 Edward F Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:09
CPC Classifications
F; F16; F16H; F16H29/00; F16H29/02; F16H29/10; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1511; Y10T74/1558; Y10T74/1565; Y10T74/1566; Y10T74/1568; Y10T74/1569
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US549868A
Cited
GB190414248A
Cited
US855039A
Cited
GB191405155A
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US1422682A
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FR545612A
Cited
US1759856A
Cited
US2016854A
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US2340707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-03 | 1950-09-02 | 1951-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-03 | 1954-09-02 | 1955-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-03 | 1958-09-02 | 1959-03-04 | $7700.00 | Window Closed / Lapsed |