Patent US3423347A successfully refreshed from Google Patents.
US3423347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions containing a thermoplastic resin and a tetraester of pentaerythritol
Assignee: MARY G LEE
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Filing: 1965-08-18
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Granted: 1969-01-21
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Expires: 1985-08-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas Zawadzki
- 👤 Algirdas A Reventas
- 👤 Richard M Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:50
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08K; C08K5/00; C08K5/0008; C08K5/005; C08K5/04; C08K5/10; C08L91/00; C08L91/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR874890A
Cited
US2485592A
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US2572798A
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US2613152A
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US2636867A
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US2711996A
Cited
US2783270A
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US2636869A
Cited
US2862961A
Cited
US2975152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |