US3067896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum bottle
Assignee: Individual
•
Filing: 1962-01-09
•
Granted: 1962-12-11
•
Expires: 1982-01-09
Abstract
No abstract record available.
Inventors
- 👤 Leo J Berg
- 👤 Flournoy Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:14
CPC Classifications
A; A47; A47J; A47J41/00; A47J41/02; A47J41/022; A47J41/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2462461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |