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US2858983A
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US
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Telemeter register for meters
Assignee: Sangamo Electric Co
•
Filing: 1954-09-30
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Granted: 1958-11-04
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Expires: 1974-09-30
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Holtz
- 👤 Charles H Lanphier
- 👤 Edward A Leach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:31
CPC Classifications
F; F15; F15B; F15B21/00; G; G01; G01F; G01F15/00; G01F15/06; G01F15/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23800E
Cited
GB311174A
Cited
US2084076A
Cited
US2292527A
Cited
US2293167A
Cited
US2340634A
Cited
US2553842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |