Patent US3445100A successfully refreshed from Google Patents.
US3445100A
Expired / Lapsed
US
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Fluidized bed apparatus for quenching hot rod
Assignee: Davy Loewy Ltd
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Filing: 1965-11-16
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Granted: 1969-05-20
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Expires: 1985-11-16
Abstract
No abstract record available.
Inventors
- 👤 Harry Laurence Fred Bond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:35
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/573; C21D9/5732; B; B21; B21C; B21C47/00; B21C47/26; B21C47/262; C21D1/00; C21D1/34; C21D1/53; C21D1/84; C21D9/525; B01; B01J; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00106; B01J2208/00168; B01J2208/00212; B01J2208/00221; Y; Y10; Y10S; Y10S118/00; Y10S118/05; Y10S425/00; Y10S425/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US737361A
Cited
US2587742A
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US3154443A
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US3355159A
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US3181977A
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US3231432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |