US1348462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for treating waste pickle liquor
Assignee: American Steel and Wire Company of New Jersey
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Filing: 1916-08-03
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Granted: 1920-08-03
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Expires: 1936-08-03
Abstract
No abstract record available.
Inventors
- 👤 Albert T Weaver
- 👤 Ernest W D Laufer
- 👤 Wintzingerode Eberhard Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:10
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/36; Y; Y10; Y10S; Y10S588/00; Y10S588/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1923-08-03 | 1924-02-02 | 1924-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-08-03 | 1928-02-02 | 1928-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-08-03 | 1932-02-02 | 1932-08-03 | $7700.00 | Window Closed / Lapsed |