Patent US2712641A successfully refreshed from Google Patents.
US2712641A
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Selective measuring system
Assignee: Sunoco Inc
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Filing: 1949-12-30
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Granted: 1955-07-05
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Expires: 1969-12-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward J Grace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:26
CPC Classifications
H; H04; H04Q; H04Q9/00; H04Q9/14; H04Q9/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1331151A
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US1496101A
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US1600358A
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US1814524A
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US1986972A
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US2098227A
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US2338872A
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US2564294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |