US2436785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic measurement of length by means of electrical impulses
Assignee: Individual
•
Filing: 1943-02-26
•
Granted: 1948-03-02
•
Expires: 1963-02-26
Abstract
No abstract record available.
Inventors
- 👤 Bergier Jacques
- 👤 Helbronner Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:34
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1296440A
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US1755340A
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US1391652A
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US1391653A
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US1823221A
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US2249029A
Cited
US2196231A
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US2261945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-02 | 1951-09-01 | 1952-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-02 | 1955-09-01 | 1956-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-02 | 1959-09-01 | 1960-03-02 | $7700.00 | Window Closed / Lapsed |