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Patent US3476722A successfully refreshed from Google Patents.
US3476722A
Expired / Lapsed
US
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Process for polymerizing acrylic acid esters
Assignee: Goodrich Corp
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Filing: 1966-08-15
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Granted: 1969-11-04
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Expires: 1986-08-15
Abstract
No abstract record available.
Inventors
- 👤 Robert K Schlatzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:05
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2320536A
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US2478416A
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US2744886A
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US2987500A
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US3094513A
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US3069403A
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US3287334A
Cited
US3198772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |