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Patent US3532647A successfully refreshed from Google Patents.
US3532647A
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US
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Coating composition comprising soluble starch or protein,melamine-formaldehyde resin and a <c18 sugar
Assignee: Wyeth Holdings LLC
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Filing: 1968-08-02
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Granted: 1970-10-06
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Expires: 1988-08-02
Abstract
No abstract record available.
Inventors
- 👤 Daniel Dickerson Ritson
- 👤 Ronald Raymond House
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:41
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/54; D21H19/50; D21H19/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2204384A
Cited
US2417014A
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US2423429A
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US2620316A
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US2648641A
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US2773848A
Cited
US2773788A
Cited
US3230187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |