US3220403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubeless heating kettle
Assignee: Individual
•
Filing: 1964-03-19
•
Granted: 1965-11-30
•
Expires: 1984-03-19
Abstract
No abstract record available.
Inventors
- 👤 Carroll C Figge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:24
CPC Classifications
E; E04; E04D; E04D15/00; E04D15/07; C; C10; C10C; C10C3/00; C10C3/10; C10C3/12; F; F22; F22B; F22B13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB359941A
Cited
US2041359A
Cited
GB458785A
Cited
US2076689A
Cited
US2396748A
Cited
US2728336A
Cited
US3046977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |