US2525786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyhydric alcohol esters of acyloxycarboxylic acids
Assignee: Individual
•
Filing: 1948-06-18
•
Granted: 1950-10-17
•
Expires: 1968-06-18
Abstract
No abstract record available.
Inventors
- 👤 Edward M Filachione
- 👤 Martin L Fein
- 👤 Charles H Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:51
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND OF THE GENERAL FORMULA
Claim 2
Dependent Claim
6 words
A COMPOUND OF THE GENERAL FORMULA
References Cited (Backward Citations)
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GB445223A
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US2106703A
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US2151185A
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GB505651A
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GB508016A
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US2290128A
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US2196758A
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US2356745A
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US2359750A
Cited
US2381247A
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US2388164A
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US2374428A
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US2410551A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |