Patent US2495799A successfully refreshed from Google Patents.
US2495799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chloroalkyl phosphorous oxy and sulfodichlorides
Assignee: Victor Chemical Works
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Filing: 1945-05-17
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Granted: 1950-01-31
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Expires: 1965-05-17
Abstract
No abstract record available.
Inventors
- 👤 Willard H Woodstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:58
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A CHLOROALKYL PHOSPHORUS OXYDICHLORIDE WHERE A CHLORINE ATOM AND THE PHOSPHORUS ATOM ARE ATTACHED TO ADJACENT CARBON ATOMS ONE OF WHICH IS THE TERMINAL CARBON OF A STRAIGHT CHAIN ALKYL GROUP CONTAINING MORE THAN TWO CARBON ATOMS.
Claim 2
Dependent Claim
37 words
A CHLOROALKYL PHOSPHORUS OXYDICHLORIDE WHERE A CHLORINE ATOM AND THE PHOSPHORUS ATOM ARE ATTACHED TO ADJACENT CARBON ATOMS ONE OF WHICH IS THE TERMINAL CARBON OF A STRAIGHT CHAIN ALKYL GROUP CONTAINING MORE THAN TWO CARBON ATOMS.
References Cited (Backward Citations)
US2365466A
Cited
US2389576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |