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Patent US3418920A successfully refreshed from Google Patents.
US3418920A
Expired / Lapsed
US
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Rotary bun grill
Assignee: HARRY W ALEXANDER
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Filing: 1967-04-25
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Granted: 1968-12-31
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Expires: 1987-04-25
Abstract
No abstract record available.
Inventors
- 👤 Harry W Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:33
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/04; A47J37/045; A21; A21B; A21B1/00; A21B1/02; A21B1/06; A21B1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |