US2908894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Meter reading system with pulse train transmitters
Assignee: Individual
•
Filing: 1953-06-22
•
Granted: 1959-10-13
•
Expires: 1973-06-22
Abstract
No abstract record available.
Inventors
- 👤 Kienast Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:50
CPC Classifications
F; F02; F02K; F02K3/00; F02K3/02; F02K3/04; F02K3/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1902465A
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US2111352A
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US1955043A
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US2165892A
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US2148075A
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US2207743A
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US2283070A
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US2285819A
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US2344254A
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US2381920A
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US2591617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |