Patent US3148051A successfully refreshed from Google Patents.
US3148051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of metallic copper powder and ammonium sulfate from copper sulfate solutions
Assignee: Ansor Corp
•
Filing: 1962-08-03
•
Granted: 1964-09-08
•
Expires: 1982-08-03
Abstract
No abstract record available.
Inventors
- 👤 Estanislao J Chupungco
- 👤 Iii Joaquin A Quintos
- 👤 William S Godinez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:00
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/16; B22F9/18; B22F9/20; C; C22; C22B; C22B15/00; C22B15/0063; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
THE PROCESS COMPRISING THE STEPS OF PROVIDING AN AQUEOUS SOLUTION OF COPPER SULFATE, CONVERTING AT LEAST A PORTION OF THE COPPER SULFATE IN SAID SOLUTION TO
Claim 2
Dependent Claim
26 words
THE PROCESS COMPRISING THE STEPS OF PROVIDING AN AQUEOUS SOLUTION OF COPPER SULFATE, CONVERTING AT LEAST A PORTION OF THE COPPER SULFATE IN SAID SOLUTION TO
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |