US3048608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neopentyl glycol esters
Assignee: Heyden Newport Chemical Corp
•
Filing: 1959-03-18
•
Granted: 1962-08-07
•
Expires: 1979-03-18
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Girard
- 👤 Edgar C Slaght
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:00
CPC Classifications
C; C10; C10M; C10M169/00; C07; C07C; C07C69/00; C07C69/34; C07C69/44; C07C69/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AN ESTER REPRESENTED BY THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
7 words
AN ESTER REPRESENTED BY THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US1975246A
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US2023976A
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US2469371A
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US2499984A
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US2588194A
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US2891919A
Cited
US2820014A
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US2837562A
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US2755250A
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US2907736A
Cited
US2862961A
Cited
US2870044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |