US3018215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiophosphoric acid ester compounds
Assignee: Murphy Chemical Co Ltd
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Filing: 1960-01-14
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Granted: 1962-01-23
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Expires: 1980-01-14
Abstract
No abstract record available.
Inventors
- 👤 Pianka Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:27
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/655; C07F9/65515; C07F9/06; C07F9/16; C07F9/165; C07F9/1654; C07F9/1655; C07F9/1656
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
AS NEW COMPOUNDS, COMPOUNDS OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
8 words
AS NEW COMPOUNDS, COMPOUNDS OF THE GENERAL FORMULA:
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) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |