US3480152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage rack for vessel containing unstable material
Assignee: HELEN A WALSH
•
Filing: 1967-07-18
•
Granted: 1969-11-25
•
Expires: 1987-07-18
Abstract
No abstract record available.
Inventors
- 👤 Helen A Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:07
CPC Classifications
B; B01; B01L; B01L9/00; B01L9/06; A; A47; A47B; A47B73/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US808824A
Cited
US1188146A
Cited
US1460068A
Cited
US1742150A
Cited
CH237357A
Cited
US2815863A
Cited
FR1172368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |