US2649781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic mapping system
Assignee: ExxonMobil Oil Corp
•
Filing: 1947-09-03
•
Granted: 1953-08-25
•
Expires: 1967-09-03
Abstract
No abstract record available.
Inventors
- 👤 Dayton H Clewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:56
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/10; G01C21/12; G01C21/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US481432A
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US1401242A
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US1427267A
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US1785241A
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US1774458A
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US1946710A
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US1746420A
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US2047609A
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US2053154A
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US2149410A
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US2308566A
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US2383459A
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US2313682A
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US2369922A
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US2361433A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |