Patent US2588386A successfully refreshed from Google Patents.
US2588386A
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US
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Automatic graph tracker and method
Assignee: Individual
•
Filing: 1949-05-18
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Granted: 1952-03-11
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Expires: 1969-05-18
Abstract
No abstract record available.
Inventors
- 👤 Charles L Hubbard
- 👤 Capecelatro Achille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:38
CPC Classifications
G; G06; G06K; G06K11/00; G06K11/02; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/12; G05B19/122; G05B2219/00; G05B2219/20; G05B2219/23; G05B2219/23202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320580A
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US1295572A
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US1696512A
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US1749842A
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US2262354A
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US2330822A
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US2347590A
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US2354391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |