Patent US2453385A successfully refreshed from Google Patents.
US2453385A
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US
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Hamburger grill
Assignee: ROLLON GRILL Inc
•
Filing: 1946-05-29
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Granted: 1948-11-09
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Expires: 1966-05-29
Abstract
No abstract record available.
Inventors
- 👤 Charles C Rone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:21
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/04; A47J37/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189925232A
Cited
US1458021A
Cited
US1618587A
Cited
US2040996A
Cited
GB509011A
Cited
US2259073A
Cited
US2369274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |