US3423571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated electrically heated bottle
Assignee: Individual
•
Filing: 1965-10-19
•
Granted: 1969-01-21
•
Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Leonard Trachtenberg
- 👤 Peter Warren Trachtenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:50
CPC Classifications
B; B60; B60N; B60N3/00; B60N3/16; A; A47; A47J; A47J41/00; A47J41/0038; A47J41/005; Y; Y10; Y10S; Y10S224/00; Y10S224/926; Y10S224/929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE338680C
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DE447699C
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US2277605A
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US2632618A
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GB719962A
Cited
GB816905A
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GB803450A
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US3021087A
Cited
US3247360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |