US3487873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple effect flash evaporator
Assignee: ANTHONY E DIAMOND
•
Filing: 1967-02-15
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Granted: 1970-01-06
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Expires: 1987-02-15
Abstract
No abstract record available.
Inventors
- 👤 Le Roy A Bromley
- 👤 Stanley M Read
- 👤 Anthony E Diamond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:30
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/08; B; B01; B01D; B01D3/00; B01D3/06; B01D3/065; Y; Y10; Y10S; Y10S159/00; Y10S159/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US378843A
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FR576838A
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US1863076A
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US2334959A
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CH281743A
Cited
US2750999A
Cited
FR74691E
Cited
US3021265A
Cited
US3303106A
Cited
US3304242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |