US3465036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-carboxyethoxymethyl-tris (2-(n-methylolcarbamoyl)-ethoxymethyl) methane
Assignee: Wyeth Holdings LLC
•
Filing: 1964-07-07
•
Granted: 1969-09-02
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Expires: 1984-07-07
Abstract
No abstract record available.
Inventors
- 👤 John Peter Dundon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:50
CPC Classifications
C; C07; C07C; C07C255/00; C08; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/22; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2118685A
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US2359708A
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US2331677A
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US2955057A
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US2936251A
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US3059027A
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US3079434A
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US3041199A
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US3167384A
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US3168415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |