US2714064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dialkanephosphinic acid amides and use thereof as plant growth regulants
Assignee: Shell Development Co
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Filing: 1952-07-07
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Granted: 1955-07-26
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Expires: 1972-07-07
Abstract
No abstract record available.
Inventors
- 👤 Rupert C Morris
- 👤 John L Van Winkle
- 👤 Harry H Wyrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:16
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/30; C07F9/36
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
15 words
AS A NEW CHEMICAL COMPOUND, A CHEMICAL COMPOUND HAVING THE STRUCTURAL REPRESENTED BY 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) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |