Patent US3471083A successfully refreshed from Google Patents.
US3471083A
Expired / Lapsed
US
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Punch card meter reading device
Assignee: THOMAS M BARNES
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Filing: 1967-01-18
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Granted: 1969-10-07
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Expires: 1987-01-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:41
CPC Classifications
G; G01; G01R; G01R11/00; G01R11/02; G06; G06K; G06K1/00; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8745
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2148500A
Cited
US2796315A
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DE1124714B
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DE1152551B
Cited
US3051374A
Cited
US3168981A
Cited
US3236444A
Cited
US3263914A
Cited
US3381561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |