US3294827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary ammonium metal compounds
Assignee: General Mills Inc
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Filing: 1961-09-26
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Granted: 1966-12-27
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Expires: 1981-09-26
Abstract
No abstract record available.
Inventors
- 👤 Ronald R Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:22
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; A; A01; A01N; A01N33/00; A01N33/02; A01N33/12; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C23C; C23C16/00; C23C16/06; C23C16/18; H; H05; H05F; H05F1/00; H05F1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
COMPLEX COMPOUNDS OF THE STRUCTURE
Claim 2
Dependent Claim
5 words
COMPLEX COMPOUNDS OF THE STRUCTURE
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |