US2769563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated skirt supported vessels
Assignee: MW Kellogg Co
•
Filing: 1955-06-22
•
Granted: 1956-11-06
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Expires: 1975-06-22
Abstract
No abstract record available.
Inventors
- 👤 Nicholas A Weil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:55
CPC Classifications
C; C10; C10B; C10B1/00; C10B1/02; C10B1/04; Y; Y10; Y10S; Y10S220/00; Y10S220/09; Y10S220/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |