US3460461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical hamburger cooker
Assignee: Individual
•
Filing: 1965-09-22
•
Granted: 1969-08-12
•
Expires: 1985-09-22
Abstract
No abstract record available.
Inventors
- 👤 Daniel Foster Langsam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:03
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/04; A47J37/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US784854A
Cited
US1662847A
Cited
US1656709A
Cited
US2584584A
Cited
US2655096A
Cited
US3019744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |