Patent US2929680A successfully refreshed from Google Patents.
US2929680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of lithium perchlorate
Assignee: American Potash and Chemical Corp
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Filing: 1957-06-28
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Granted: 1960-03-22
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Expires: 1977-06-28
Abstract
No abstract record available.
Inventors
- 👤 David R Stern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:49
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/16; C01B11/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A PROCESS FOR THE PREPARATION OF LITHIUM PERCHLORATE COMPRISING: HEATING LITHIUM PERCHLORATE SUFFICIENTLY TO RENDER IT MOLTEN, PASSIGN AMMONIUM PERCHLORATE AND LITHIUM CARBONATE INTO SAID MOLTEN LITHIUM PERCHLORATE AND ALLOWING SAID MATERIALS TO REACT WHEREBY THE PRODUCE ADDITIONAL LITHIUM PERCHLORATE.
Claim 2
Dependent Claim
40 words
A PROCESS FOR THE PREPARATION OF LITHIUM PERCHLORATE COMPRISING: HEATING LITHIUM PERCHLORATE SUFFICIENTLY TO RENDER IT MOLTEN, PASSIGN AMMONIUM PERCHLORATE AND LITHIUM CARBONATE INTO SAID MOLTEN LITHIUM PERCHLORATE AND ALLOWING SAID MATERIALS TO REACT WHEREBY THE PRODUCE ADDITIONAL LITHIUM PERCHLORATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |