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US2723840A
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US
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Steam hydrator
Assignee: G H BISHOP Co
•
Filing: 1952-07-29
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Granted: 1955-11-15
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Expires: 1972-07-29
Abstract
No abstract record available.
Inventors
- 👤 Suhajda Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:41
CPC Classifications
D; D06; D06F; D06F71/00; D06F71/32; D06F71/34; D06F43/00; D06F43/002; Y; Y10; Y10S; Y10S261/00; Y10S261/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1923422A
Cited
US2391663A
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US2455754A
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US2455756A
Cited
US2598571A
Cited
US2651511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |