Patent US2832786A successfully refreshed from Google Patents.
US2832786A
Expired / Lapsed
US
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Phosphoramides
Assignee: WM S MERRELL CO
•
Filing: 1956-02-27
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Granted: 1958-04-29
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Expires: 1976-02-27
Abstract
No abstract record available.
Inventors
- 👤 Charles H Tilford
- 👤 Frederick J Mccarty
- 👤 Jr Marcus G Van Campen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:36
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/553; C07F9/576; C07F9/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
THE COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
5 words
THE COMPOUNDS OF THE FORMULA
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) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |