US3028955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging of anhydrous sodium hydroxide
Assignee: Dow Chemical Co
•
Filing: 1960-04-13
•
Granted: 1962-04-10
•
Expires: 1980-04-13
Abstract
No abstract record available.
Inventors
- 👤 Albert F Shorkey
- 👤 Jr Jesse S Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:45
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/14; B65D81/00; B65D81/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
28 words
A PACKAGE OF SOLID ANHYDROUS SOLIUM HYDROXIDE SEALED IN A NON-REUSABLE STEEL DRUM, THE INTERIOR OF WHICH IS LINED WITH ALUMINUM HAVING A THICKNESS OF ABOUT .0018 INCH.
References Cited (Backward Citations)
US2079786A
Cited
US2637441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |