US3046977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating kettle
Assignee: Individual
•
Filing: 1957-05-21
•
Granted: 1962-07-31
•
Expires: 1977-05-21
Abstract
No abstract record available.
Inventors
- 👤 Carroll C Figge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:12
CPC Classifications
E; E04; E04D; E04D15/00; E04D15/07; C; C10; C10C; C10C3/00; C10C3/10; C10C3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1742968A
Cited
US2188133A
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FR857555A
Cited
US2322341A
Cited
US2396748A
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US2465953A
Cited
US2544153A
Cited
US2496113A
Cited
US2494260A
Cited
FR1040204A
Cited
US2839332A
Cited
US2813578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |