US2722173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooking utensil
Assignee: DURWARD D DORR
•
Filing: 1952-04-23
•
Granted: 1955-11-01
•
Expires: 1972-04-23
Abstract
No abstract record available.
Inventors
- 👤 Darrow D Dorr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:57
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/10; Y; Y10; Y10S; Y10S220/00; Y10S220/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2254570A
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CH220992A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |