US3477971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapid curing fluidized bed coating composition having improved flexibility
Assignee: Shell USA Inc
•
Filing: 1966-10-06
•
Granted: 1969-11-11
•
Expires: 1986-10-06
Abstract
No abstract record available.
Inventors
- 👤 Roy A Allen
- 👤 William L Lantz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:42
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/68; C08G59/681; C08G59/685; C08G59/40; C08G59/42; Y; Y10; Y10S; Y10S524/00; Y10S524/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3028251A
Cited
US2997776A
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US3201360A
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US3269974A
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US3269975A
Cited
US3344096A
Cited
US3362922A
Cited
US3388185A
Cited
US3336251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |