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US2903323A
Expired / Lapsed
US
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Strip chart assembly
Assignee: Elster American Meter Co LLC
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Filing: 1957-09-24
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Granted: 1959-09-08
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Expires: 1977-09-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Hubert A Riester
- 👤 Carl J Kugler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:44
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2275497A
Cited
US2621864A
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US2669501A
Cited
US2663609A
Cited
GB679372A
Cited
US2611284A
Cited
US2782680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |