US3069669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Meter readout systems
Assignee: Elster American Meter Co LLC
•
Filing: 1958-06-25
•
Granted: 1962-12-18
•
Expires: 1978-06-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Wapner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:10
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/06; G01F15/061; G01F15/063
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2448783A
Cited
US2736008A
Cited
US2335755A
Cited
US2477395A
Cited
US2538415A
Cited
US2724820A
Cited
US2871324A
Cited
US2867705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |