Patent US2711756A successfully refreshed from Google Patents.
US2711756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baffle plate for tanks
Assignee: McGraw Electric Co
•
Filing: 1949-10-26
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Granted: 1955-06-28
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Expires: 1969-10-26
Abstract
No abstract record available.
Inventors
- 👤 Duane F Peck
- 👤 John W Cottone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:12
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/12; F24H9/13; F24H9/133; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86348; Y10T137/86372
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1313797A
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US1321235A
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US945254A
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US1087242A
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US1762215A
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CH158473A
Cited
US2123809A
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US2207057A
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US2485689A
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US2598195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |