US2818990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Case-bottle with an insulating covering
Assignee: Individual
•
Filing: 1954-04-09
•
Granted: 1958-01-07
•
Expires: 1974-04-09
Abstract
No abstract record available.
Inventors
- 👤 Sommerfeld Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:17
CPC Classifications
A; A47; A47J; A47J41/00; A47J41/0055; A47J41/0072; A47J41/0077; A45; A45F; A45F3/00; A45F3/16; A47J41/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US995985A
Cited
US1497764A
Cited
GB225698A
Cited
US1589138A
Cited
US1690509A
Cited
US1855039A
Cited
US1890323A
Cited
DE753451C
Cited
US2500786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |