US3515575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of deactivating and collecting paints with a water curtain
Assignee: WR Grace and Co
•
Filing: 1968-03-06
•
Granted: 1970-06-02
•
Expires: 1988-03-06
Abstract
No abstract record available.
Inventors
- 👤 Roger F Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:12
CPC Classifications
C; C09; C09D; C09D7/00; C09D7/71; Y; Y10; Y10S; Y10S106/00; Y10S106/901; Y10S210/00; Y10S210/93
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2208647A
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US2267426A
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US2348625A
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US2362964A
Cited
USRE22615E
Cited
US2585407A
Cited
US3173879A
Cited
US2978344A
Cited
US2928498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |