Patent US3297746A successfully refreshed from Google Patents.
US3297746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyalkoxylated and polyaryloxylated derivatives of di (hydroxyaromatic) alkanoic acids
Assignee: SC Johnson and Son Inc
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Filing: 1963-11-01
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Granted: 1967-01-10
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Expires: 1983-11-01
Abstract
No abstract record available.
Inventors
- 👤 Norman A Jacobson
- 👤 Edward A Wilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:38
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE HAVING THE FORMULA:
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE HAVING THE 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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |