US2994424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package
Assignee: WR Grace and Co
•
Filing: 1957-08-08
•
Granted: 1961-08-01
•
Expires: 1977-08-08
Abstract
No abstract record available.
Inventors
- 👤 Myer S Selby
- 👤 Jr Milton A Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:26
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/04; B65D75/06; B65D75/10; A; A01; A01G; A01G5/00; A01G5/06; B65D81/00; B65D81/18; B65D81/20; B65D81/2046; B65D81/2061; B65D2565/00; B65D2565/38; B65D2565/381; B65D2565/388
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |