US3518652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote meter reading attachment utilizing rotary switches
Assignee: United Gas Industries Ltd
•
Filing: 1967-12-07
•
Granted: 1970-06-30
•
Expires: 1987-12-07
Abstract
No abstract record available.
Inventors
- 👤 Desmond Dransfield
- 👤 Patrick Bass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:02
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/27; G06M1/276; G01; G01D; G01D4/00; G01D4/002; G01F; G01F15/00; G01F15/06; G01F15/061; G01F15/063; Y; Y02; Y02B; Y02B90/00; Y02B90/20; Y04; Y04S; Y04S20/00; Y04S20/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2253721A
Cited
US2414191A
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US3046534A
Cited
US3072756A
Cited
US3132216A
Cited
US3222465A
Cited
US3331046A
Cited
US3376567A
Cited
US3306993A
Cited
US3286047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |