US2574831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hamburger mold
Assignee: Individual
•
Filing: 1946-05-27
•
Granted: 1951-11-13
•
Expires: 1966-05-27
Abstract
No abstract record available.
Inventors
- 👤 William L Jameson
- 👤 Frank L Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:44
CPC Classifications
A; A22; A22C; A22C7/00; A22C7/0023; A22C7/003; A22C7/0076; A47; A47J; A47J43/00; A47J43/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US337342A
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US513527A
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US1309634A
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US1530189A
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FR801731A
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US2081455A
Cited
US2228644A
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US2173760A
Cited
US2311843A
Cited
US2330989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |