Patent US5061777A successfully refreshed from Google Patents.
US2856074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for heating sea water
Assignee: Texas Gulf Sulphur Co
•
Filing: 1954-03-04
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Granted: 1958-10-14
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Expires: 1974-03-04
Abstract
No abstract record available.
Inventors
- 👤 Dubitzky Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:54
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/042; Y; Y10; Y10S; Y10S159/00; Y10S159/13; Y10S159/38; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US532884A
Cited
US550425A
Cited
US13628A
Cited
US781838A
Cited
US1099433A
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US1059430A
Cited
US1059431A
Cited
US1083740A
Cited
US1219320A
Cited
US1951015A
Cited
US2066348A
Cited
US2138345A
Cited
US2348668A
Cited
US2372992A
Cited
US2500774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |