Patent US2568653A successfully refreshed from Google Patents.
US2568653A
Expired / Lapsed
US
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Heat exchange receptacle
Assignee: Mojonnier Bros Co
•
Filing: 1946-09-06
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Granted: 1951-09-18
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Expires: 1966-09-06
Abstract
No abstract record available.
Inventors
- 👤 Mojonnier Timothy
- 👤 Oliver W Mojonnier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:28
CPC Classifications
A; A01; A01J; A01J9/00; A01J9/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1271657A
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USRE15665E
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US1804624A
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DE567443C
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US1968780A
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US2064141A
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US2200426A
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US2356778A
Cited
US2277526A
Cited
US2386613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |