US2517833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous high-pressure steam retort and sterilizer
Assignee: THOMAS J BOURLAND
•
Filing: 1946-11-26
•
Granted: 1950-08-08
•
Expires: 1966-11-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Bourland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:53
CPC Classifications
C; C05; C05F; C05F1/00; C05F1/02; A; A23; A23B; A23B2/00; A23B2/40; A23B2/42; A23B2/425; A23B2/46; A23B2/465; C05F3/00; C05F3/06; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/20; Y02P; Y02P20/00; Y02P20/141; Y02P20/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US395580A
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USRE20987E
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US1052845A
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US1075550A
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US1229236A
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US1478734A
Cited
US2038313A
Cited
US2263794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |