Patent US2594322A successfully refreshed from Google Patents.
US2594322A
Expired / Lapsed
US
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Substituted oxacycloalkanes
Assignee: Phillips Petroleum Co
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Filing: 1950-06-09
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Granted: 1952-04-29
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Expires: 1970-06-09
Abstract
No abstract record available.
Inventors
- 👤 Nelson J Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:21
CPC Classifications
C; C07; C07D; C07D309/00; C07D309/02; C07D309/08; C07D309/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A SUBSTITUTED OXACYCLOALKANE HAVING A COMPOSITION IN ACCORDANCE WITH THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
12 words
A SUBSTITUTED OXACYCLOALKANE HAVING A COMPOSITION IN ACCORDANCE WITH THE STRUCTURAL FORMULA:
References Cited (Backward Citations)
GB606764A
Cited
US2479283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |